What You Need to Know About the Flint Water Crisis
By Codi Kozacek
On Tuesday, residents of Flint, Michigan were invited to bring their children to a local elementary school for a “Lead Testing and Family Fun Night." Combining a school carnival with medical tests to check children's blood for abnormally high levels of lead, the event was an example of the bizarre circumstances that families are contending with in Flint, Michigan's seventh largest city.
A series of public decisions, driven by misguided management practices and ideological principles that backfired, converged during the past 20 months to poison the city's drinking water and cause one of the most severe public health threats in the U.S. The extent of the risk to Flint's residents is not clear.
Flint's crisis is the third time during the administration of Republican Gov. Rick Snyder that decisions about water supply and water quality at the most senior levels of state government have put state residents in harm's way. In 2014, again as a result of the governor's decision to appoint an emergency manager in Detroit, drinking water services were cut off for thousands of city residents said to be in arrears on their water bills. But water services for many of the city's largest commercial water consumers, which owed the city water department millions of dollars in unpaid charges, were not halted.
The Snyder administration, according to business owners and residents in northern Michigan, has been slow to respond to the threat of a major Great Lakes oil spill from two 63-year-old pipelines that transport 540,000 barrels of oil a day across the Straits of Mackinac at the top of Lake Michigan. An environmental law group in Traverse City, For the Love of Water, has argued that other existing onshore pipelines are available to transport oil to Great Lakes refineries and that Gov. Snyder has the legal authority to shut down Line 5 and prevent what the group called an “imminent risk."
Flint's Water Unravels
Flint's water troubles began in April 2014, when the city of 102,000 residents in southeastern Michigan began sourcing its water from the nearby Flint River instead of receiving Lake Huron water from its longtime water supplier, the Detroit city water department. The move, made by emergency managers appointed by the state to bring an economically ailing Flint back to fiscal health, was estimated to save the city $US 5 million while it awaited the construction of a new pipeline to Lake Huron.
The plan, which was strong on the value of “cost-saving," but received scant evaluation for its technical feasibility, quickly unraveled. Over the next year and a half, a series of public announcements and troubling disclosures, many of them first reported by investigative journalist Curt Guyette, described Flint's deteriorating water quality and growing public dismay.
First, the city issued several boil water advisories in the summer of 2014. Then, in January 2015, Flint violated the U.S. Safe Drinking Water Act because its water contained high levels of total trihalomethanes or THM, byproducts of the water treatment process that, over time, can increase the risk of cancer and cause health problems of the liver, kidneys and central nervous system. Finally, two research studies in the fall of 2015 found that the new water source was corroding aging water pipes, leaching lead into the system and very likely causing a spike in lead levels in the blood of Flint's children. Lead exposure can impair both mental and physical development in children, sometimes causing “profound and permanent adverse health effects," according to the World Health Organization.
State Slow to Respond
Throughout the crisis, Gov. Snyder appeared indifferent while state officials defended the emergency manager's actions and repeatedly rejected claims that there was anything wrong with Flint's water. As evidence of serious contamination mounted, the Snyder administration insisted the city's water was safe to drink.
Gov. Snyder did not acknowledge the unsafe condition of the city's water problems until Sept. 30, 2015.
“In terms of a mistake, we found there are probably things that weren't as fully understood when that switch was made," Snyder told reporters, according to MLive. “Again, we're looking at making sure they're within safe limits according to the federal government."
The governor apologized to the city in December.
“I want the Flint community to know how very sorry I am that this has happened," Snyder said in a statement. “And I want all Michigan citizens to know that we will learn from this experience, because Flint is not the only city that has an aging infrastructure."
The same day, the governor accepted the resignation of Dan Wyant, the director of the Michigan Department of Environmental Quality. Both Snyder's apology and Wyant's resignation came on the heels of a letter to the governor from the state-appointed Flint Water Advisory Task Force. The task force blatantly blamed Michigan Department of Environmental Quality for Flint's water problems, MLive reported, writing to the governor, “We believe the primary responsibility for what happened in Flint rests with the Michigan Department of Environmental Quality."
In October, the state authorized Flint to switch back to the Detroit water system. The city also began adding phosphates to its water in December to help rebuild a protective coating inside pipes damaged by the corrosive Flint River. Meanwhile, state and city programs are providing residents with water filters, bottled water and lead testing to help ensure safe water.
Cost-Saving Move Backfires
Critics of the Snyder administration's management of Flint's fiscal and public health turmoil note that the cost to the city and the state of the administration's “cost-saving" strategy is likely to be considerable. The state has allocated $US10 million to “test the water, distribute water filters and help in other ways." The money comes on top of the $US6 million price tag to switch Flint back to the Detroit water system.
Personal and class action lawsuits brought by plaintiffs seeking compensation for health damages could be inordinately expensive. The reasons: blood tests revealed elevated concentrations of lead in the tissues of many residents. And a bevy of documents uncovered by Guyette, other reporters and researchers indicate that state officials knew of serious problems much sooner, but failed to act.
“In their short-sighted effort to save a buck, the leaders who were supposed to be protecting Flint's citizens instead left them exposed to dangerously high levels of lead contamination," Michael Steinberg, legal director for the American Civil Liberties Union of Michigan, said in a November press release announcing an intent to sue state and city officials over the water crisis.
Echoes of Flint Around the World
Flint's story of water dangers fostered by ideology, neglect and indifference is, in many ways, a central national and global challenge of the 21st century.
Governments are forgoing investments in critical infrastructure or failing to take changing markets and fast-changing environmental conditions into account. The result, in places like Flint or Sao Paulo, Johannesburg and Mumbai, is decrepit, inadequate water systems that leave residents with unsafe water—or no water at all. In the Midwest U.S. and in India, it is depleted aquifers that threaten food production. In Lake Erie and Lake Taihu, it is runaway nutrient pollution that fuels toxic algae blooms. On a global scale, the collective procrastination on climate action means countries must now make drastic cuts in their carbon emissions to avoid environmental collapse.
The fallout when water systems break down is swift and unrelenting. A severe, two-year drought in Brazil nearly spelled disaster for Sao Paulo last year. The city contemplated the daunting prospect of 20 million residents without water. Inadequate, leaky infrastructure compounded the problem.
Millions of people living in Wuxi, China could not use their tap water for days in 2007 due to a toxic algae bloom in Lake Taihu.
And then there is Flint, which had no water problem until the state governor, driven by ideological principles of reducing taxes and administrative costs, appointed an emergency manager who decided to save $US5 million, a relative pittance in big city budgets, without carefully evaluating the consequences. That misguided and unnecessary decision affecting a major public service put people in danger and resulted in economic costs that already are three times higher than what the emergency manager expected to save.
An Expensive Problem
In the case of Flint and other cities with aging infrastructure and no source of revenue from a U.S. Congress devoted to the same principles of tax reduction and disinvestment, the outlook is disturbing. The U.S. Environmental Protection Agency estimates that utilities in the U.S. need to spend $US633 billion over the next two decades to supply water and to treat sewage. A 2012 report by the American Water Works Association said restoring and expanding water systems over the next 25 years could cost $US1 trillion.
Growing infrastructure repair bills and inadequate financial support from the federal government mean cities are raising water rates that inhibit the ability of some citizens to pay and could affect economic competitiveness.
“This shouldn't have to be Americans' fate. Once upon a time, this country dreamed of big and ambitious interventions to help its residents live safe, secure and comfortable lives," Guyette wrote in The Nation in July 2015. He added, “Getting Congress to come up with the cash is a decidedly tough task in an era when lawmakers eschew any form of tax hike, focusing instead on attempts to rein in the federal budget by hacking away at established programs."
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By Sara Lindberg
Whether you've hit a workout plateau or you're just ready to turn things up a notch, adding more strenuous exercise — also known as high-intensity exercise — to your overall fitness routine is one way to increase your calorie burn, improve your heart health, and boost your metabolism.
However, to do it safely and effectively, there are some guidelines you should follow. Keep reading to learn more about the benefits of vigorous exercise and how to safely dial up the intensity of your workouts.
What Is Considered Strenuous Exercise?<p>When it comes to exercise, the intensity of how hard you work out is just as important as the duration of your exercise session. In general, exercise intensity is divided into three categories:</p><ul><li>low</li><li>moderate</li><li>vigorous or strenuous</li></ul><p>For an activity to be vigorous, you need to work at 70 to 85 percent of your maximum heart rate, according to the<a href="https://www.heart.org/en/healthy-living/fitness/fitness-basics/target-heart-rates" target="_blank"> American Heart Association</a>. Examples of vigorous exercise include:</p><ul><li>running</li><li>cycling at 10 mph or faster</li><li>walking briskly uphill with a heavy backpack</li><li>jumping rope</li></ul><p>Low to moderate exercise is easier to sustain for longer periods since you work below 70 percent of your maximum heart rate and, sometimes, well below that level.</p><p>To reap health benefits, the <a href="https://www.hhs.gov/fitness/be-active/physical-activity-guidelines-for-americans/index.html" target="_blank">Physical Activity Guidelines for Americans</a> recommends that people age 18 and older get one of the following:</p><ul><li><strong>150 minutes</strong> of moderate-intensity aerobic activity per week</li><li><strong>75 minutes</strong> of vigorous aerobic activity per week</li><li><strong>combination of both types</strong> of activity spread throughout the week</li></ul>
Strenuous Exercise Vs. Moderate Exercise<p>Increasing your exercise intensity is fairly simple to do. You can still participate in your favorite activities — just at a more vigorous pace.</p><p>One of the benefits of more strenuous exercise is that you can reap the same rewards as moderate-intensity exercise but in less time. So, if time is of the essence, doing a more strenuous 20-minute workout can be just as beneficial as doing a slower 40-minute workout session.</p><p>Here are some examples of <a href="https://www.cdc.gov/nccdphp/dnpa/physical/pdf/pa_intensity_table_2_1.pdf" target="_blank">strenuous vs. moderate exercise<span></span></a>.</p><table><tbody><tr><th>Moderate intensity</th><th>Strenuous intensity</th></tr><tr><td>bicycling at less than 10 mph</td><td>bicycling at more than 10 mph</td></tr><tr><td>walking briskly</td><td>running, or hiking uphill at a steady pace</td></tr><tr><td>jog-walk intervals</td><td>water jogging/running</td></tr><tr><td>shooting baskets in basketball</td><td>playing a basketball game</td></tr><tr><td>playing doubles tennis</td><td>playing singles tennis</td></tr><tr><td>raking leaves or mowing the lawn</td><td>shoveling more than 10 lbs. per minute, digging ditches</td></tr><tr><td>walking stairs</td><td>running stairs</td></tr></tbody></table>
Benefits of Vigorous Exercise<p>Besides being more efficient, turning up the heat on your fitness sessions can benefit your health in a variety of ways. Let's take a closer look at some of the evidence-based benefits of a higher intensity workout.</p><ul><li><strong>Higher calorie burn.</strong> According to the <a href="https://www.acefitness.org/education-and-resources/professional/expert-articles/5008/7-things-to-know-about-excess-post-exercise-oxygen-consumption-epoc/?utm_source=Rakuten&utm_medium=10&ranMID=42334&ranEAID=TnL5HPStwNw&ranSiteID=TnL5HPStwNw-hYlKnAcfzfixAUsvnO6Ubw" target="_blank">American Council on Exercise</a>, working out at a higher intensity requires more oxygen, which burns more calories. It also contributes to excess post-exercise oxygen consumption (EPOC) or the "afterburn effect" that allows you to continue burning calories even after you finish working out. This means your metabolism will stay elevated for longer after a vigorous exercise session.</li><li><strong>More weight loss.</strong> A <a href="https://www.healthline.com/health-news/interval-workouts-will-help-you-lose-weight-more-quickly" target="_blank">higher calorie burn</a> and an elevated metabolism will help you lose weight more quickly than doing low- or moderate-intensity exercise.</li><li><strong>Improved heart health.</strong> According to a <a href="https://www.ncbi.nlm.nih.gov/pubmed/16377300" target="_blank">2012 study</a>, high- and moderate-intensity exercise appears to offer low chance of cardiovascular events, even in those with heart disease. Cardiovascular benefits may include improvements in:<ul><li><a href="https://www.healthline.com/health/diastole-vs-systole" target="_blank">diastolic blood pressure</a></li><li><a href="https://www.healthline.com/nutrition/15-ways-to-lower-blood-sugar#TOC_TITLE_HDR_1" target="_blank">blood sugar control</a></li><li>aerobic capacity</li></ul></li><li><strong>Improved mood.</strong> High-intensity exercise may also boost your mood. According to a large <a href="https://www.jstage.jst.go.jp/article/jpts/27/4/27_jpts-2014-736/_article" target="_blank">2015 study</a> that analyzed the data of more than 12,000 participants, researchers found a significant link between strenuous exercise and fewer depressive symptoms.</li><li><strong>Lower risk of mortality.</strong> According to a 2015 <a href="https://www.ncbi.nlm.nih.gov/pubmed/25844882" target="_blank">study</a>, researchers found that vigorous activity may be key to avoiding an early death. The study, which followed 204,542 people for more than 6 years, reported a 9 to 13 percent decrease in mortality for those who increased the intensity of their exercise sessions.</li></ul>
How to Measure Exercise Intensity<p>So, how do you know for sure that you're exercising at a strenuous level? Let's look at three ways to measure the intensity of your physical activity.</p><h3>1. Your heart rate</h3><p>Monitoring your heart rate is one of the most reliable methods for measuring exercise intensity. Exercising at 70 to 85 percent of your maximum heart rate qualifies as vigorous exercise intensity.</p><blockquote><strong><strong>WHAT IS YOUR MAXIMUM HEART RATE?</strong></strong>Your maximum heart rate is the fastest your heart can safely beat. To find out what your maximum heart rate is you need to subtract your age from 220. For example, for a 40-year-old person: <ul><li>220 bpm (beats per minute) minus age</li><li>220 – 40 = 180 bpm</li></ul>To work out at a vigorous pace, you'll want to exercise within 70 to 85 percent of your maximum heart rate. For example: <ul><li>180 x 0.70 (70 percent) = 126</li><li>180 x 0.85 (85 percent) = 153</li></ul>For a 40-year-old person, a vigorous training range is 126 to 153 bpm.<br></blockquote><p>You can check your heart rate while you're working out by wearing a heart rate monitor or <a href="https://www.healthline.com/health/how-to-check-heart-rate" target="_blank">taking your pulse</a>.</p>
How to Add Vigorous Activity to Your Workout<p>Adding strenuous activity to your weekly workout routine requires some careful planning. Fortunately, many of the activities that you do at a moderate level can easily be performed at a higher intensity.</p><p>One way of incorporating vigorous aerobic activity into your routine is to do a <a href="https://www.healthline.com/nutrition/benefits-of-hiit" target="_blank">high-intensity interval training (HIIT)</a> workout. This type of workout combines short bursts of intense activity — typically performed at 80 to 95 percent of your maximum heart rate — with recovery periods at 40 to 50 percent maximum heart rate.</p><p>To sustain this level of training, consider following a 2:1 work to rest ratio. For example, a <a href="https://www.healthline.com/health/treadmill-weight-loss#hiit" target="_blank">treadmill workout </a>or outdoor running session could include:</p><ul><li>running at 9 to 10 mph for 30 seconds</li><li>followed by walking at 3 to 4 mph for 60 seconds</li><li>alternating this work-to-rest ratio for 20 to 30 minutes</li></ul><p>Playing a fast-paced sport like soccer, basketball, or racquetball is another effective way to add strenuous activity to your fitness routine. Participating in <a href="https://www.healthline.com/health/benefits-of-a-spin-class" target="_blank">cycling classes</a> or swimming laps are other ways to build more strenuous exercise into your workouts.</p>
Safety Tips<p>Before you turn up the intensity on your workouts, it's important to keep the following safety tips in mind.</p><h3>Check with your doctor</h3><p>If you have a health condition or you haven't been active in a while, make sure you talk to your doctor before you start a high-intensity exercise routine. Your doctor can advise you on a safe level of exercise or how to become more active in the safest way possible.</p><h3>Build up the intensity slowly</h3><p>Going from low- or moderate-intensity workouts to vigorous exercise requires time and patience. While you may be ready to jump in with both feet, the safest way to add more vigorous exercise is to do it in bite-size increments. Pushing yourself too quickly can result in injuries and burnout.</p><p>For example:</p><ul><li><strong>Week 1:</strong> Swap out one moderate-paced cardio session for a HIIT workout.</li><li><strong>Week 2:</strong> Swap one moderate-paced session with a HIIT workout, and also add a circuit strength training session to your weekly routine.</li><li><strong>Week 3 and 4: </strong>Repeat weeks 1 and 2 before you start adding more high-intensity exercise to your weekly routine.</li></ul><p>It's also a good idea to space out your vigorous workouts throughout the week. Try not to do two strenuous sessions back-to-back.</p><h3>Don't forget the recovery time</h3><p>Your body requires more time to recover from a vigorous workout compared to a low- or moderate-intensity session.</p><p>To help your body recover, make sure to always include a cooldown and <a href="https://www.healthline.com/health/exercise-fitness/static-stretching" target="_blank">stretch routine</a> after strenuous physical activity.</p><h3>Stay hydrated</h3><p><a href="https://www.healthline.com/nutrition/7-health-benefits-of-water" target="_blank">Staying hydrated</a> is especially important when you're exercising hard. Not drinking enough fluids can affect the quality of your workout and make you feel tired, lethargic, or dizzy. It may even lead to <a href="https://www.healthline.com/health/dehydration-headache" target="_blank">headaches</a> and <a href="https://www.healthline.com/health/pain-relief/how-to-stop-leg-muscle-cramps" target="_blank">cramps</a>.</p>
The Bottom Line<p>Turning up the intensity of your workout sessions can be an effective way of boosting your overall health and fitness. It's also an easy way to save time when trying to fit a workout into your day.</p><p>To play it safe, always start slow and pay attention to how your body feels.</p><p>While vigorous exercise offers many health benefits, it's not appropriate for everyone. If you have a health condition or you haven't been active in a while, make sure to talk with your doctor before working out at a more strenuous level.</p>
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By Jeffrey Miller
In January 2015, food sales at restaurants overtook those at grocery stores for the first time. Most thought this marked a permanent shift in the American meal.
Solving the Age-Old Problem of Spoiled Cheese<p>People have eaten pasta and cheese together for hundreds of years. Clifford Wright, the doyen of Mediterranean food history, says <a href="http://www.cliffordawright.com/caw/food/entries/display.php/topic_id/16/id/105/" target="_blank">the first written recipe</a> for macaroni and cheese was created in the court of the king of Naples in the 13th century, while <a href="https://food52.com/blog/9916-the-history-of-macaroni-and-cheese" target="_blank">the first reference</a> in an English language cookbook likely appeared in Elizabeth Raffald's 1769 book "The Experienced English Housekeeper."</p><p><span></span>An internet search for macaroni and cheese recipes will turn up over 5 million hits, but many still prefer to get theirs in a box – the kind with pasta that comes in shapes ranging from shells to Pokemon characters, accompanied by a packet of powdered cheese sauce.</p><p>Boxed macaroni and cheese was one outcome of the quest for ways to keep cheese longer. Some cheese gets better as it ages – a well-aged cheddar is one of life's delights – but once most cheeses hit their prime, <a href="https://www.dairyfoods.com/articles/91548-how-to-maximize-cheese-shelf-life" target="_blank">they tend to quickly go bad</a>. Before household refrigeration became common, many retailers wouldn't even stock cheese in the summer because it spoiled so quickly.</p><p>Processed cheese solved this age-old problem.</p>
When Natural Was Nasty<p>Today, food that's simple, pure and natural is <a href="https://theconversation.com/how-was-french-cuisine-toppled-as-the-king-of-fine-dining-66667" target="_blank">all the craze</a>, while <a href="https://apnews.com/c06a1200807c4b82a03452d08d480692" target="_blank">disdain for processed foods</a> is practically a credo among sophisticated consumers.</p><p>But when Kraft's different forms of processed cheese came out, they found widespread acceptance despite their strange textures. The fact that it wasn't natural didn't seem to bother consumers at all. In fact, as international food historian Rachel Laudan <a href="https://online.ucpress.edu/gastronomica/article/1/1/36/93394/A-Plea-for-Culinary-Modernism-Why-We-Should-Love" target="_blank">has noted</a>, back then, "natural was something quite nasty." She describes fresh milk as warm and "unmistakably a bodily secretion." Throughout the history of cookery, most recipes aimed to transform an unappetizing raw product into something delightful and delectable.</p><p>So for most consumers, processed foods were a godsend. They kept well, tended to be easily digestible and, most importantly, they tasted good. Many of them could be easily prepared, freeing women from spending entire days cooking and giving them more time to pursue professions and avocations.</p><p>In some ways, processed foods were also healthier. They could be fortified with vitamins and minerals, and, in an era before everyone had access to mechanical refrigeration, the fact that they kept well meant consumers were less likely to contract diseases from spoiled, rotten foods. Pasteurization of dairy products virtually <a href="https://www.the-scientist.com/foundations/rethinking-raw-milk--1918-65126" target="_blank">eliminated diseases like undulant fever</a>, while foods processed and canned in large factories were less likely to harbor food-borne illnesses that could crop up due to faulty or improperly sanitized equipment used by home canners.</p>
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