Monsanto CEO Says 'Roundup Is Not A Carcinogen’ But 94 Scientists From Around the World Disagree
Last week, Monsanto CEO Hugh Grant sat down with Here & Now’s Jeremy Hobson for a wide-ranging, two-part interview about everything Monsanto, from genetically modified crops and the future of agriculture, to the company's recent spate of PCB lawsuits.
Glyphosate, the main ingredient in the Monsanto’s flagship product Roundup, the most widely applied pesticide worldwide. Photo credit: Flickr
Both sections of the interview are definitely worth the listen for anyone interested in what the agrotech chief has to say about Monsanto's ongoing string of controversies—or as Hobson puts it—how "Monsanto has become the face of corporate evil in this country."
One of the most interesting takeaways was Grant's insistence on the safety of glyphosate, the world's most popular herbicide and the main ingredient in the Monsanto's flagship product, Roundup.
Last year, the controversial chemical was infamously declared a possible carcinogen by the World Health Organization’s International Agency for Research on Cancer (IARC), a point that Monsanto has vehemently denied and has demanded a retraction.
Here's what Grant had to say to Hobson's question on this issue:
Hobson: People think your Roundup pesticide could be linked with cancer and other health problems. How do you respond to that?
Grant: Roundup is not a carcinogen. It’s 40 years old, it’s been studied; virtually every year of its life it’s been under a review somewhere in the world by regulatory authorities. So Canada and Europe just finished. Europe finished their review last year and came back with glowing colors. The Canadians were the same and now we are going through a similar process in the U.S., so I’ve absolutely no concerns about the safety of the product.
As Grant said in the interview, both Health Canada and the European Food Safety Authority (EFSA) have rejected the IARC's findings. However, just last month, 94 scientists from around the world came out in defense of the IARC’s original findings, as Dr. Doug Gurian-Sherman pointed out on Civil Eats.
Monsanto CEO: ‘Roundup Is Not A Carcinogen’ https://t.co/0Iwe8t8G6H But a lot of scientists say it probably is: https://t.co/UDAg2iT4DY— Civil Eats (@Civil Eats)1459517347.0
The scientists published their findings in an article for the peer-reviewed Journal of Epidemiology and Community Health. The paper argues that the authors of the EFSA's Renewal Assessment Report (RAR) dismissed incidences of glyphosate-induced cancer in lab animals as chance occurrences and also ignored important laboratory and human mechanistic evidence of genotoxicity. They also argue that the EFSA's Renewal Assessment Report overly relied on "non-publicly available industry-provided studies" to come up with its conclusion.
Gurian-Sherman, who is the Center for Food Safety’s director of sustainable agriculture and senior scientist, wrote on Civil Eats:
"The article makes a complex but compelling argument in IARC’s defense. For example, the authors explain how EFSA unfairly discounted several good long-running epidemiology studies that showed higher-than-average levels of non-hodgkin’s lymphoma in farmers or farmworkers. They also argue that EFSA did not adequately account for the long latency period before cancer develops. In other words, lack of cancer in some studies is not compelling because they may have not been conducted for a long enough period of time."
He also noted that "the most dramatic increases in glyphosate use have occurred only in the past five to 10 years—not long enough for most cancers to develop."
The authors of the paper concluded:
"Owing to the potential public health impact of glyphosate, which is an extensively used pesticide, it is essential that all scientific evidence relating to its possible carcinogenicity is publicly accessible and reviewed transparently in accordance with established scientific criteria."
The conflicting conclusions of the IARC and the EFSA have especially raised concerns about the use of glyphosate in parts of Europe. Government officials in France, The Netherlands, Sweden and Italy are pushing firmly against the herbicide's relicensing in the European Union over health and safety risks.
France, Sweden, Italy & Netherlands Rebel Against Relicensing of #Monsanto's #Glyphosate https://t.co/xc4X1FTVTC https://t.co/p0Trt0nrIU— EcoWatch (@EcoWatch)1457366697.0
Washington appears to be responding to calls from advocacy groups and farmers to study the environmental and human health impact of rampant pesticide use.
The U.S. Environmental Protection Agency internal watchdog group, the Office of Inspector General, announced late last month that it is opening an investigation into "herbicide resistance," or the spread of superweeds, as well as the human health impacts of chemicals that are used to fight superweeds.
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Since even moderate-intensity workouts offer a slew of benefits, walking is a good choice for people looking to stay healthy.
How to Rock Your Walk<p>Walking isn't just fun and healthy. It's accessible.</p><p>"Walking is cheap," says Dr. John Paul H. Rue, a sports medicine doctor at <a href="https://mdmercy.com/" target="_blank">Mercy Medical Center in Baltimore</a>. "You can do it anywhere at any time; [it] requires little to no special equipment and has many of the same cardio benefits as running or other more intense workouts."</p><p>Want to up your walking game? Try the tips below.</p>
Use Hand Weights<p>Cardio and strength training can go hand-in-hand when you add weights to your walk.</p><p>A <a href="https://journals.lww.com/acsm-msse/Fulltext/2019/03000/Associations_of_Resistance_Exercise_with.14.aspx" target="_blank">2019 study</a> found that weight training is good for your heart, and <a href="https://www.mayoclinicproceedings.org/article/S0025-6196(17)30167-2/abstract" target="_blank">research</a> shows it reduces the risk of developing a <a href="https://www.healthline.com/health/nutrition-metabolism-disorders" target="_blank">metabolic disorder</a> by 17 percent. People with metabolic disorders have a higher chance of being diagnosed with high cholesterol, high blood pressure, and diabetes.</p><p>Rue suggests not carrying weights for your entire walk.</p><p>"Hand weights can give you an added level of energy burning, but you have to be careful with these because carrying [them] over a long period of time or while walking could actually lead to some overuse injuries," he says.</p>
Make It a Circuit<p>As another option, consider doing a circuit. First, put a pair of dumbbells on your lawn or somewhere in your home. Walk around the block once, then stop and do some bicep curls and tricep lifts before walking around the block again.</p><p>Rue recommends <a href="https://www.healthline.com/health/exercise-fitness/running-with-weights" target="_blank">avoiding ankle weights</a> during cardio workouts, as they force you to use your quadriceps rather than hamstrings. They can also cause muscle imbalance, according to the <a href="https://www.health.harvard.edu/staying-healthy/wearable-weights-how-they-can-help-or-hurt" target="_blank">Harvard Health Letter</a>.</p>
Find a Fitness Trail<p>Strength training isn't limited to weights. You can get stronger by <a href="https://www.healthline.com/health/bodyweight-workout" target="_blank">simply using your body</a>.</p><p>Often found at parks, fitness trails are obstacle courses with equipment for pullups, pushups, rowing, and stretches to build upper and lower body strength.</p><p>Try searching "fitness trails near me" online, checking out your local parks and recreation website, or calling the municipal office to <a href="https://calisthenics-parks.com/" target="_blank">find one</a>.</p>
Recruit a Friend<p>People who workout together stay healthy together.</p><p><a href="https://bmcgeriatr.biomedcentral.com/articles/10.1186/s12877-017-0584-3" target="_blank">One study</a> showed that older adults who exercised with a group improved or maintained their functional health and enjoyed their lives more.</p><p>Enlist the help of a walking buddy with a regimen you aspire to have. If you don't know anyone in your area, apps like <a href="https://www.strava.com/" target="_blank">Strava</a> have social networking features so you can get support from fellow exercisers.</p>
Try Meditation<p>According to the <a href="https://www.nccih.nih.gov/research/statistics/nhis/2017" target="_blank">2017 National Health Interview Survey</a>, published by the National Institutes of Health, meditation is on the rise, and for good reason.</p><p>Researchers <a href="https://pubmed.ncbi.nlm.nih.gov/29616846/" target="_blank">found</a> that mind-body relaxation practices can regulate inflammation, <a href="https://www.healthline.com/health/biological-rhythms" target="_blank">circadian rhythms</a>, and <a href="https://www.healthline.com/health/glucose" target="_blank">glucose</a> metabolism, as well as lower <a href="https://www.healthline.com/health/high-blood-pressure-hypertension" target="_blank">blood pressure</a>.</p><p>"Any form of exercise can be turned into a meditation of some type, either by the surroundings you are walking in, like a park or trail, or by blocking out the outside world with music on your headphones," Rue says.</p><p>You can also play a podcast or download an app like <a href="https://www.headspace.com/headspace-meditation-app" target="_blank">Headspace</a> that has a library of guided meditations to practice while you walk.</p>
Do Fartlek Walks<p>Typically used in running, fartlek intervals alternate periods of increased and decreased speed. These are <a href="https://www.healthline.com/nutrition/benefits-of-hiit" target="_blank">high-intensity interval training (HIIT)</a> workouts, which allow exercisers to accomplish more in less time.</p><p><a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0154075" target="_blank">One study</a> showed that 10-minute interval training improved <a href="https://www.healthline.com/health/metabolic-syndrome" target="_blank">cardiometabolic</a> health, or lowered the risk of heart disease, stroke, and diabetes, just as well as working out at a continuous pace for 50 minutes.</p><p><a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0111489" target="_blank">Research</a> also shows that HIIT workouts increase muscle <a href="https://www.healthline.com/health/fast-twitch-muscles" target="_blank">oxidative</a> capacity, or the ability to use oxygen. To do a fartlek walk, try walking at an increased pace for 3 minutes, slow down for 2 minutes, and repeat.</p>
Gradually Increase Pace<p>A faster walking pace is associated with a lower risk of <a href="https://www.healthline.com/health/copd" target="_blank">chronic obstructive pulmonary disease (COPD)</a> and respiratory diseases, according to a <a href="https://pubmed.ncbi.nlm.nih.gov/30303933/" target="_blank">2019 study</a>.</p><p>Still, it's best not to go from a stroll to an Olympic-worthy power walk in a day. Instead, increase your pace gradually to prevent injury.</p><p>"Start by walking at a brisk pace for about 10 minutes per day, 3 to 5 days per week," Rue says. "Once you've done this for a few weeks, increase your time by 5 to 10 minutes per day until you get to 30 minutes."</p>
Add Stairs<p>You've likely heard that taking the stairs instead of an elevator is a way to add more movement into your daily routine. It's also a way to step up your walking. Stair climbing has been shown to <a href="https://www.sciencedirect.com/science/article/pii/S2211335519301123?via%3Dihub" target="_blank">decrease the risk of mortality</a> and can easily add a bit more challenge to your walk.</p><p>If you don't have stairs in your home, you can often find them outside a local municipal building, train station, or at a high school stadium.</p>
Is Your Walk a True Cardio Workout?<p>Not all walks are equal. A walk that's too leisurely may not provide enough burn to qualify as cardio. To see if you're getting a good workout, try to <a href="https://www.healthline.com/health/how-to-check-heart-rate" target="_blank">measure your heart rate</a> using a monitor.</p><p>"A target goal for a good walking workout heart rate is about 50 to 70 percent of your maximum heart rate," Rue says, adding that maximum heart rate is <a href="https://www.healthline.com/health/fitness-exercise/fat-burning-heart-rate" target="_blank">typically calculated</a> by 220 beats per minute minus your age.</p><p>You can also monitor how easily you can carry on a conversation while you walk to gauge your heart rate.</p><p>"If you can walk and carry on a normal conversation, that's probably a lower intensity walk," says Rue. "If you are slightly breathless but can still have a conversation, that's probably a moderate workout. If you are out of breath and can't talk normally, that's a vigorous workout."</p>
Takeaway<p>By shaking up your routine, you can add excitement to your workout and reap even more rewards than a basic walk provides. Increasing the pace and intensity of a workout will make it more effective.</p><p>Simply pick your favorite variation to add some spice to your next walk.</p>
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