9 Impressive Health Benefits of Hawthorn Berry
Hawthorn berries are tiny fruits that grow on trees and shrubs belonging to the Crataegusgenus.
The genus includes hundreds of species, which are commonly found in Europe, North America, and Asia.
Their berries are packed with nutrition and have a tart, tangy taste and mild sweetness, ranging in color from yellow to deep red or black (1).
For centuries, hawthorn berry has been used as an herbal remedy for digestive problems, heart failure, and high blood pressure. In fact, it's a key part of traditional Chinese medicine.
Here are 9 impressive health benefits of hawthorn berry.
1. Loaded with Antioxidants
Hawthorn berry is one of the most widely known sources of polyphenols, which are powerful antioxidant compounds found in plants (2).
Antioxidants in your diet help neutralize unstable molecules called free radicals that can harm your body in high levels. These molecules can come from poor diet, as well as environmental toxins like air pollution and cigarette smoke (3).
- some cancers
- type 2 diabetes
- some infections
- heart problems
- premature skin aging
Though initial research is promising, more studies are needed to assess the effects of hawthorn on lowering disease risk.
Hawthorn berry contains plant polyphenols that have been linked to numerous health benefits due to their antioxidant properties.
2. May Boost Your Immune System
Hawthorn berry may have antibacterial and anti-inflammatory properties that could strengthen your immune system.
In one test-tube study, hawthorn extract exhibited significant antibacterial action against Streptococcus aureus and Klebsiella pneumoniae, even killing some of the harmful bacteria (6).
Furthermore, some animal research indicates that the berry may have anti-inflammatory effects.
Chronic inflammation has been linked to many diseases, including type 2 diabetes, asthma, and certain cancers (8).
In a study in mice with liver disease, hawthorn berry extract significantly reduced levels of inflammatory compounds (9).
What's more, research in mice with asthma showed that supplementing with hawthorn berry extract decreased inflammation enough to significantly reduce asthma symptoms (10).
Due to these promising results from animal and test-tube studies, scientists believe the supplement may offer immune-boosting benefits in humans. However, more research is needed.
In test-tube and animal studies, hawthorn shows antibacterial and anti-inflammatory potential that may boost the immune system. Still, more research in humans is needed.
3. May Lower Blood Pressure
In traditional Chinese medicine, hawthorn berry is one of the most commonly recommended foods to help treat high blood pressure (11).
In a 10-week study in 36 people with mildly elevated blood pressure, those taking 500 mg of hawthorn extract daily experienced a decrease in diastolic blood pressure (the bottom number of a reading), while other groups showed no improvements (16).
Another study in 79 people with type 2 diabetes and high blood pressure observed that those who took 1,200 mg of hawthorn extract daily had greater improvements in blood pressure than those in the placebo group (17).
Nonetheless, a similar study in 21 people with mildly elevated blood pressure noted no differences between the hawthorn-extract and placebo groups (18).
Some evidence suggests that hawthorn berry may reduce blood pressure by helping dilate blood vessels. However, not all studies agree.
4. May Decrease Blood Fats
Some data indicates that hawthorn extract may improve blood fat levels.
Cholesterol and triglycerides are two types of fats always present in your blood.
At normal levels, they're perfectly healthy and play a very important role in creating hormones and transporting nutrients throughout your body.
However, imbalanced blood fat levels, particularly high triglycerides and low HDL (good) cholesterol, can lead to plaque buildup in your blood vessels (atherosclerosis) (19).
If the plaque continues to grow, it could completely block a blood vessel, leading to heart attack or stroke.
In one study, mice given two different doses of hawthorn extract had lower total cholesterol and LDL (bad) cholesterol, as well as 28–47% lower liver triglyceride levels than those not receiving the extract (20).
Similarly, in a study in mice on a high-cholesterol diet, both hawthorn extract and the cholesterol-lowering drug simvastatin reduced total cholesterol and triglycerides about equally, but the extract also decreased LDL (bad) cholesterol (21).
Though this research is promising, more human studies are needed to assess the effect of hawthorn extract on blood fats.
Hawthorn extract has been shown to lower cholesterol and triglycerides in animal studies. More research is needed to determine whether it has similar effects in humans.
5. Used to Aid Digestion
Hawthorn berries and hawthorn extract have been used for centuries to treat digestive issues, particularly indigestion and stomach pain.
The berries contain fiber, which has been proven to aid digestion by reducing constipation and acting as a prebiotic.
One observational study in people with slow digestion found that each additional gram of dietary fiber decreased the time between bowel movements by approximately 30 minutes (23).
Additionally, a rat study observed that hawthorn extract dramatically increased the transit time of food in the stomach (24).
This means that food moves more quickly through your digestive system, which may alleviate indigestion.
Furthermore, in a study in rats with stomach ulcers, hawthorn extract exhibited the same protective effect on the stomach as an anti-ulcer medication (7).
Hawthorn berry has been used as a digestive aid for centuries. It can decrease the transit time of food in your digestive system. What's more, its fiber content is a prebiotic and may help relieve constipation.
6. Helps Prevent Hair Loss
Hawthorn berry may even prevent hair loss and is a common ingredient in commercial hair growth products.
One study in rats found that hawthorn stimulated hair growth and increased the number and size of hair follicles, promoting healthier hair (25).
It's believed that the polyphenol content in hawthorn berry causes this beneficial effect. Nevertheless, research in this area is limited, and human studies are needed.
Hawthorn berry is an ingredient in some hair growth products. Its polyphenol content may promote healthy hair growth, but more research is needed.
7. May Reduce Anxiety
Hawthorn has a very mild sedative effect, which may help decrease anxiety symptoms (26).
In another study in 264 people with anxiety, a combination of hawthorn, magnesium, and California poppy flower significantly reduced anxiety levels, compared to a placebo. Still, it's unclear what role hawthorn played, specifically (27).
Given that it has few side effects compared to traditional anti-anxiety medications, hawthorn continues to be researched as a potential treatment for disorders of the central nervous system, such as anxiety and depression (1).
However, more research is needed. If you want to try a hawthorn supplement to manage your anxiety, don't discontinue any of your current medications and be sure to discuss it with your healthcare provider.
Some studies indicate that hawthorn supplements may reduce anxiety. Still, more research is needed before recommendations can be made.
8. Used to Treat Heart Failure
Hawthorn berry is best known for its use alongside traditional medications in the treatment of heart failure.
A review of 14 randomized studies in more than 850 people concluded that those who took hawthorn extract along with their heart failure medications had improved heart function and exercise tolerance.
They also experienced less shortness of breath and fatigue (28).
What's more, a 2-year observational study in 952 people with heart failure found that those supplementing with hawthorn berry extract had less fatigue, shortness of breath, and heart palpitations than people who did not supplement.
The group taking hawthorn berry also required fewer medications to manage their heart failure (29).
Finally, another large study in over 2,600 people with heart failure suggested that supplementing with hawthorn berry may reduce the risk of sudden heart-related death (30).
People with heart failure are often encouraged to take hawthorn berry in addition to their current medications, as the supplement is considered safe with few side effects (28).
Hawthorn berry is beneficial for people with heart failure, as it has been shown to improve heart function and decrease symptoms like shortness of breath and fatigue.
9. Easy to Add to Your Diet
Hawthorn berry may be difficult to find at your local grocery store. However, you should be able to find it at farmers' markets, specialty health food stores, and online.
You can add hawthorn to your diet in many ways:
- Raw. Raw hawthorn berries have a tart, slightly sweet taste and make a great on-the-go snack.
- Tea. You can buy premade hawthorn tea or make your own using the dried berries, flowers, and leaves of the plant.
- Jams and desserts. In the Southeastern United States, hawthorn berries are commonly made into jam, pie filling, and syrup.
- Wine and vinegar. Hawthorn berries can be fermented into a tasty adult beverage or a flavorful vinegar that can be used to make salad dressing.
- Supplements. You can take hawthorn berry supplements in a convenient powder, pill, or liquid form.
Hawthorn berry supplements usually contain the berry along with the leaves and flowers. Although, some include only the leaves and flowers, as they're a more concentrated source of antioxidants than the berry itself.
Different brands and forms of hawthorn supplements have different dosing recommendations.
According to one report, the minimum effective dose of hawthorn extract for heart failure is 300 mg daily (31).
Typical doses are 250–500 mg, taken three times daily.
Keep in mind that supplements are not regulated by the Food and Drug Administration (FDA) or any other governing body.
Therefore, it's nearly impossible to know the true effectiveness or safety of a supplement. Always purchase them from reputable sources.
Look for products that have received a seal of approval from independent organizations that assess supplement effectiveness and quality, such as United States Pharmacopeia (USP), NSF International, or ConsumerLab.
Hawthorn berries can be eaten in many different ways or taken as a supplement. Supplements are not regulated, so it's important to buy them from sources you trust.
Side Effects and Precautions
Very few side effects have been reported from taking hawthorn berry.
Due to its potent effect on the heart, it can affect certain medications. If you're taking drugs for your heart, blood pressure, or cholesterol, speak with your healthcare provider before using hawthorn berry supplements.
Hawthorn berry is safe with few side effects. Speak with your healthcare professional before starting this supplement if you're on any heart medications.
The Bottom Line
Primarily due to its antioxidant content, hawthorn berry has numerous health effects, especially for your heart.
Studies indicate that it may improve blood pressure and blood fat levels, as well as treat heart failure when combined with standard medications.
In addition, it may boost your immune system, promote hair growth, reduce anxiety, and aid digestion.
If you want to give this powerful berry a try, be sure to speak with your healthcare provider before taking it as a supplement.
Reposted with permission from our media associate Healthline.
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By James Shulmeister
Climate Explained is a collaboration between The Conversation, Stuff and the New Zealand Science Media Centre to answer your questions about climate change.
If you have a question you'd like an expert to answer, please send it to firstname.lastname@example.org
What was the climate and sea level like at times in Earth’s history when carbon dioxide in the atmosphere was at 400ppm?<p>The last time global carbon dioxide levels were consistently at or above 400 parts per million (ppm) was around <a href="https://www.nature.com/articles/nature14145" target="_blank">four million years ago</a> during a geological period known as the <a href="http://www.geologypage.com/2014/05/pliocene-epoch.html" target="_blank">Pliocene Era</a> (between 5.3 million and 2.6 million years ago). The world was about 3℃ warmer and sea levels were higher than today.</p><p>We know how much carbon dioxide the atmosphere contained in the past by studying ice cores from Greenland and Antarctica. As compacted snow gradually changes to ice, it traps air in bubbles that contain <a href="https://www.cambridge.org/core/journals/annals-of-glaciology/article/enclosure-of-air-during-metamorphosis-of-dry-firn-to-ice/09D9C60A8DA412D16645E6E6ABC1892F" target="_blank">samples of the atmosphere at the time</a>. We can sample ice cores to reconstruct past concentrations of carbon dioxide, but this record only takes us back about a million years.</p><p>Beyond a million years, we don't have any direct measurements of the composition of ancient atmospheres, but we can use several methods to estimate past levels of carbon dioxide. One method uses the relationship between plant pores, known as stomata, that regulate gas exchange in and out of the plant. The density of these stomata is <a href="https://journals.sagepub.com/doi/abs/10.1177/095968369200200109" target="_blank">related to atmospheric carbon dioxide</a>, and fossil plants are a good indicator of concentrations in the past.</p><p>Another technique is to examine sediment cores from the ocean floor. The sediments build up year after year as the bodies and shells of dead plankton and other organisms rain down on the seafloor. We can use isotopes (chemically identical atoms that differ only in atomic weight) of boron taken from the shells of the dead plankton to reconstruct changes in the acidity of seawater. From this we can work out the level of carbon dioxide in the ocean.</p><p>The data from four-million-year-old sediments suggest that <a href="https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2010PA002055" target="_blank">carbon dioxide was at 400ppm back then</a>.</p>
Sea Levels and Changes in Antarctica<p>During colder periods in Earth's history, ice caps and glaciers grow and sea levels drop. In the recent geological past, during the most recent ice age about 20,000 years ago, sea levels were at least <a href="https://science.sciencemag.org/content/292/5517/679.abstract" target="_blank">120 meters lower</a> than they are today.</p><p><span></span>Sea-level changes are calculated from changes in isotopes of oxygen in the shells of marine organisms. For the Pliocene Era, <a href="https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2004PA001071" target="_blank">research</a> shows the sea-level change between cooler and warmer periods was around 30-40 meters and sea level was higher than today. Also during the Pliocene, we know the West Antarctic Ice Sheet was <a href="https://www.nature.com/articles/nature07867" target="_blank">significantly smaller</a> and global average temperatures were about 3℃ warmer than today. Summer temperatures in high northern latitudes were up to 14℃ warmer.</p><p>This may seem like a lot but modern observations show strong <a href="https://journals.ametsoc.org/jcli/article/23/14/3888/32547" target="_blank">polar amplification</a> of warming: a 1℃ increase at the equator may raise temperatures at the poles by 6-7℃. It is one of the reasons why Arctic sea ice is disappearing.</p>
Impacts in New Zealand and Australia<p>In the Australian region, there was no Great Barrier Reef, but there may have been <a href="https://link.springer.com/content/pdf/10.1007/BF02537376.pdf" target="_blank">smaller reefs along the northeast coast of Australia</a>. For New Zealand, the partial melting of the West Antarctic Ice Sheet is probably the most critical point.</p><p>One of the key features of New Zealand's current climate is that Antarctica is cut off from global circulation during the winter because of the big <a href="https://www.tandfonline.com/doi/abs/10.3402/tellusa.v54i5.12161" target="_blank">temperature contrast</a> between Antarctica and the Southern Ocean. When it comes back into circulation in springtime, New Zealand gets strong storms. Stormier winters and significantly warmer summers were likely in the mid-Pliocene because of a weaker polar vortex and a warmer Antarctica.</p><p>It will take more than a few years or decades of carbon dioxide concentrations at 400ppm to trigger a significant shrinking of the West Antarctic Ice Sheet. But recent studies show that <a href="http://nora.nerc.ac.uk/id/eprint/521027/" target="_blank">West Antarctica is already melting</a>.</p><p>Sea-level rise from a partial melting of West Antarctica could easily exceed a meter or more by 2100. In fact, if the whole of the West Antarctic melted it could <a href="http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.695.7239&rep=rep1&type=pdf" target="_blank">raise sea levels by about 3.5 meters</a>. Even smaller increases raise the risk of <a href="https://www.pce.parliament.nz/publications/preparing-new-zealand-for-rising-seas-certainty-and-uncertainty" target="_blank">flooding in low-lying cities</a> including Auckland, Christchurch and Wellington.</p>
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Investment in U.S. offshore wind projects are set to hit $78 billion (€69 billion) this decade, in contrast with an estimated $82 billion for U.S. offshore oil and gasoline projects, Wood Mackenzie data shows. This would be a remarkable feat only four years after the first offshore wind plant — the 30 megawatt (MW) Block Island Wind Farm off the coast of Rhode Island — started operating in U.S. waters.
Corporates Shift<p>Helping to drive offshore growth, U.S. corporate buyers <a href="https://www.dw.com/en/cities-leading-the-transition-to-renewables/a-42850621" target="_blank">are increasingly relying on wind energy to power their businesses</a>. Walmart and AT&T are the two top corporate wind buyers, while 14 newcomers entered the wind market in 2019, including Estée Lauder and McDonald's.</p><p>"Oil and gas companies have jumped into the U.S. offshore wind market, where they can transfer expertise in offshore fossil fuel development to clean energy investments," says Max Cohen, principal analyst, Americas Power & Renewable research at Wood Mackenzie. Many international oil and gas companies have already recognized this huge potential and entered the US offshore wind market, including Orsted, Equinor and Shell.</p><p>"Given the recent tumult in oil prices, fossil fuel companies may more and more be looking to diversify their portfolios, particularly with assets that are contracted or offer returns uncorrelated with oil and gas," Cohen says. "Offshore wind is an area where they may have a comparative advantage, and they can then leverage the experience with that technology to make the leap to onshore wind, solar, and other renewable technologies," he says.</p>
East Coast leads the way<p>"There is enormous opportunity, especially off the East Coast, for wind. I am very bullish," said former Interior Secretary Ryan Zinke. "Market excitement is moving towards offshore wind. I haven't seen this kind of enthusiasm from industry since the Bakken shale boom," he said.</p><p>Offshore wind initiatives require excessive upfront spending: a 250 MW venture costs about $1 billion, based on International Energy Agency data, but as costs fall the tipping point after which costs fall faster gets nearer</p><p>"The opportunity has been created by Northeastern states seeing the large price declines for offshore wind in Europe," says Cohen. Onshore wind is historically the lowest cost renewable resource, but is at its most expensive in the Northeast, he adds. "But costs are falling slower than for other technologies," he says.</p>
Jobs and Coastal Revitalization<p>U.S. wind energy now supports 120,000 US jobs and 530 domestic factories. A study by the University of Delaware predicted that the supply chain needed to build offshore turbines to feed power to seven East Coast states by 2030 would generate nearly $70 billion in economic activity and at least 40,000 full-time jobs. An American Wind Energy Association's (AWEA's) March 2020 report estimated that developing 30,000 MW of offshore wind along the East Coast could support up to 83,000 jobs and $25 billion in annual economic output by 2030.</p><p>Having said that, not all of the jobs are American jobs. The offshore wind developers with commercial leases in the US are all foreign companies. There is growing interest from the shipbuilding sector in the Gulf of Mexico in partnering with offshore wind companies to provide services. As a result, some of the US oil trade associations have submitted comments supporting certain aspects of offshore wind. "However, it is unclear to what extent offshore wind developers plan to use US vessels and crew, and the existing projects did not incorporate US vessels or labor at all," Hawkins says.</p>
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The human body comprises around 60% water.
It's commonly recommended that you drink eight 8-ounce (237-mL) glasses of water per day (the 8×8 rule).
1. Helps Maximize Physical Performance<p>If you don't stay hydrated, your physical performance can suffer.</p><p>This is particularly important during intense exercise or high heat.</p><p>Dehydration can have <a href="https://www.healthline.com/health/how-to-tell-if-youre-dehydrated" target="_blank">a noticeable effect</a> if you lose as little as 2% of your body's water content. However, it isn't uncommon for athletes to lose as much as 6–10% of their water weight via sweat.</p><p>This can lead to altered body temperature control, reduced motivation, and increased fatigue. It can also make exercise feel much more difficult, both physically and mentally.</p><p>Optimal hydration has been shown to prevent this from happening, and it may even reduce the <a href="https://www.healthline.com/health/oxidative-stress" target="_blank">oxidative stress</a> that occurs during high intensity exercise. This isn't surprising when you consider that muscle is about 80% water.<a href="https://pubmed.ncbi.nlm.nih.gov/19344695" target="_blank"><span></span></a></p><p>If you exercise intensely and tend to sweat, staying hydrated can help you perform at your absolute best.</p><p><strong>Summary</strong></p><p><strong></strong>Losing as little as 2% of your body's water content can significantly impair your physical performance.</p>
2. Significantly Affects Energy Levels and Brain Function<p>Your brain is strongly influenced by your hydration status.</p><p>Studies show that even mild dehydration, such as the loss of 1–3% of body weight, can impair many aspects of brain function.</p><p>In a study in young women, researchers found that fluid loss of 1.4% after exercise impaired both mood and concentration. It also increased the frequency of headaches.</p><p>Many members of this same research team conducted a similar study in young men. They found that fluid loss of 1.6% was detrimental to working memory and increased feelings of anxiety and fatigue.<a href="https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/mild-dehydration-impairs-cognitive-performance-and-mood-of-men/3388AB36B8DF73E844C9AD19271A75BF/core-reader" target="_blank"></a></p><p>A fluid loss of 1–3% equals about 1.5–4.5 pounds (0.5–2 kg) of body weight loss for a person weighing 150 pounds (68 kg). This can easily occur through normal daily activities, let alone during exercise or high heat.</p><p>Many other studies, with subjects ranging from <a href="https://www.healthline.com/health/parenting/signs-of-dehydration-in-toddlers" target="_blank">children</a> to <a href="https://www.healthline.com/health/symptoms-of-dehydration-in-elderly" target="_blank">older adults</a>, have shown that mild dehydration can impair mood, memory, and brain performance.</p><p><strong>Summary</strong></p><p><strong></strong>Mild dehydration (fluid loss of 1–3%) can impair energy levels, impair mood, and lead to major reductions in memory and brain performance.</p>
3. May Help Prevent and Treat Headaches<p>Dehydration can trigger <a href="https://www.healthline.com/health/dehydration-headache" target="_blank">headaches</a> and migraine in some individuals.<span></span></p><p>Research has shown that a headache is one of the most common symptoms of dehydration. For example, a study in 393 people found that 40% of the participants experienced a headache as a result of dehydration.</p><p>What's more, some studies have shown that drinking water can help relieve headaches in those who experience frequent headaches.</p><p>A study in 102 men found that drinking an additional 50.7 ounces (1.5 liters) of water per day resulted in significant improvements on the Migraine-Specific Quality of Life scale, a scoring system for <a href="https://www.healthline.com/health/migraine-symptoms" target="_blank">migraine symptoms</a>.<a href="https://academic.oup.com/fampra/article/29/4/370/492787" target="_blank"></a></p><p>Plus, 47% of the men who drank more water reported headache improvement, while only 25% of the men in the control group reported this effect.<a href="https://academic.oup.com/fampra/article/29/4/370/492787" target="_blank"></a></p><p>However, not all studies agree, and researchers have concluded that because of the lack of high quality studies, more research is needed to confirm how increasing hydration may help improve headache symptoms and decrease headache frequency.<a href="https://pubmed.ncbi.nlm.nih.gov/26200171" target="_blank"></a></p><p><strong>Summary</strong></p><p><strong></strong>Drinking water may help reduce headaches and headache symptoms. However, more high quality research is needed to confirm this potential benefit.</p>
4. May Help Relieve Constipation<p><a href="https://www.healthline.com/health/constipation" target="_blank">Constipation</a> is a common problem that's characterized by infrequent bowel movements and difficulty passing stool.</p><p>Increasing fluid intake is often recommended as a part of the treatment protocol, and there's some evidence to back this up.</p><p>Low water consumption appears to be a risk factor for constipation in both younger and older individuals.</p><p>Increasing hydration may help decrease constipation.</p><p><a href="https://www.healthline.com/nutrition/mineral-water-benefits" target="_blank">Mineral water</a> may be a particularly beneficial beverage for those with constipation.</p><p>Studies have shown that mineral water that's rich in magnesium and sodium improves bowel movement frequency and consistency in people with constipation.<a href="http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5334415" target="_blank"></a></p><p><strong>Summary</strong></p><p><strong></strong>Drinking plenty of water may help prevent and relieve constipation, especially in people who generally don't drink enough water.</p>
5. May Help Treat Kidney Stones<p>Urinary stones are painful clumps of mineral crystal that form in the urinary system.</p><p>The most common form is <a href="https://www.healthline.com/health/kidney-stones" target="_blank">kidney stones</a>, which form in the kidneys.</p><p>There's limited evidence that water intake can help prevent recurrence in people who have previously gotten kidney stones.<a href="https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD004292.pub3/full" target="_blank"></a></p><p>Higher fluid intake increases the volume of urine passing through the kidneys. This dilutes the concentration of minerals, so they're less likely to crystallize and form clumps.</p><p>Water may also help prevent the initial formation of stones, but studies are required to confirm this.</p><p><strong>Summary</strong></p><p><strong></strong>Increased water intake appears to decrease the risk of kidney stone formation.</p>
6. Helps Prevent Hangovers<p>A hangover refers to the unpleasant symptoms experienced after drinking <a href="https://www.healthline.com/nutrition/alcohol-good-or-bad" target="_blank">alcohol</a>.</p><p>Alcohol is a diuretic, so it makes you lose more water than you take in. This can lead to dehydration.</p><p>Although dehydration isn't the main cause of hangovers, it can cause symptoms like thirst, fatigue, headache, and dry mouth.</p><p>Good ways <a href="https://www.healthline.com/nutrition/7-ways-to-prevent-a-hangover" target="_blank">to reduce hangovers</a> are to drink a glass of water between drinks and have at least one big glass of water before going to bed.</p><p><strong>Summary</strong></p><p><strong></strong>Hangovers are partly caused by dehydration, and drinking water can help reduce some of the main symptoms of hangovers.</p>
7. Can Aid Weight Loss<p>Drinking plenty of water can help you <a href="https://www.healthline.com/nutrition/how-to-lose-weight-as-fast-as-possible/" target="_blank">lose weight</a>.</p><p>This is because water can increase satiety and boost your metabolic rate.</p><p>Some evidence suggests that increasing water intake can promote weight loss by slightly increasing your metabolism, which can increase the number of calories you burn on a daily basis.</p><p>A 2013 study in 50 young women with overweight demonstrated that drinking an additional 16.9 ounces (500 mL) of water 3 times per day before meals for 8 weeks led to significant reductions in body weight and body fat compared with their pre-study measurements.</p><p>The timing is important too. Drinking water half an hour before meals is the most effective. It can make you feel more full so that you <a href="https://www.healthline.com/nutrition/35-ways-to-cut-calories" target="_blank">eat fewer calories</a>.</p><p>In one study, dieters who drank 16.9 ounces (0.5 liters) of water before meals lost 44% more weight over a period of 12 weeks than dieters who didn't drink water before meals.</p>
The Bottom Line<p>Even mild dehydration can affect you mentally and physically.</p><p>Make sure that you <a href="https://www.healthline.com/nutrition/how-much-water-should-you-drink-per-day" target="_blank">get enough water each day</a>, whether your personal goal is 64 ounces (1.9 liters) or a different amount. It's one of the best things you can do for your overall health.</p>
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