Study reveals 6 top exercises for offsetting 'obesity genes'
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Several types of exercise can prevent obesity in people genetically prone to the condition, new research shows.
According to the World Health Organization (WHO), about13% of adults across the world have obesity. In the United States, the situation is even more concerning, with almost 40% of the adult population living with obesity. Although obesity is the result of a complex interplay between lifestyle and genes, a person's genetic predisposition to the condition does play a central role, and researchers are only just starting to understand the influence that genes have on excessive body weight. For instance, a study that appeared earlier this year compared over 14,000 participants with low, normal, and high body mass index (BMI) measurements, only to conclude that the "genetic dice are loaded" against those with obesity. Another recent study found that single gene mutations are responsible for approximately 30% of severe obesity cases in children, and older estimates suggested that as much as 81% of a person's weight could be heritable. While these studies have positive implications — such as the destigmatization of obesity — the flipside is that people with obesity may feel defeated in their efforts to shed those extra pounds. In this regard, new research brings much-needed hope. Wan-Yu Lin of the National Taiwan University in Taipei City recently led a study reviewing the types of physical exercise that are particularly effective in offsetting the genetic predisposition to obesity. Lin and colleagues published their findings in the journal PLOS Genetics. Jogging best for obesityThe researchers examined data from 18,424 "unrelated Han Chinese adults" who were between 30 and 70 years of age and had participated in the Taiwan Biobank study. Lin and colleagues looked at five obesity measurements: BMI, body fat percentage, waist circumference, hip circumference, and waist-to-hip ratio. The team also used internal weights from the Taiwan Biobank study to devise genetic risk scores for each of the five obesity measurements. The Taiwan Biobank study also included self-reported data from the participants on the forms of exercise that they did on a regular basis. The researchers examined 18 such types of workout. An examination of the interactions between a person's genetic risk score and their exercise routine revealed that jogging was the best workout for reducing obesity. Specifically, regular jogging offset the genetic risk across three measures: BMI, body fat percentage, and hip circumference. "Across all five obesity measures, regular jogging consistently presented the most significant interactions with [genetic risk scores]," add the researchers. Furthermore, "Mountain climbing, walking, exercise walking, international standard dancing, and a longer practice of yoga also attenuated the genetic effects on BMI," report the authors. By contrast, other popular activities, such as "cycling, stretching exercise, swimming, dance dance revolution, and qigong," had no effect on the genetic predisposition to obesity. The results also showed that weight training, badminton, table tennis, basketball, tennis, tai chi, and "other" exercise routines were ineffective in lessening a person's predisposition to obesity. However, the team notes that there were limited data on some of these activities because they were less popular among the participants. Lin and colleagues conclude:
Weight Loss via Obesity / Weight Loss / Fitness News From Medical News Today https://ift.tt/O45xlc August 6, 2019 at 07:45PM
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Do rising obesity levels explain cardiovascular mortality trends?
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In some high income countries, cardiovascular-related mortality rates are increasing, and researchers are wondering why this is happening.
"In high income countries, the very substantial decline in [cardiovascular] mortality over the past half-century has been a major, yet often unheralded, global public health achievement." This is what Prof. Alan Lopez and Tim Adair, Ph.D. write in the introduction to a new study paper, published in the International Journal of Epidemiology. The journal reviews current trends in mortality associated with stroke, heart disease, and other cardiovascular diseases (CVD). Prof. Lopez and Adair, from the University of Melbourne in Parkville, Australia, note that "recent evidence from national vital statistics systems in these countries suggests that the long term decline in CVD and specifically heart disease mortality may be stagnating, with rates even rising in some populations, particularly at ages [of under] 75 years." The researchers looked at vital statistics recorded from 2000 onwards in 23 high income countries. These are Australia, France, Japan, Spain, Austria, Germany, the Netherlands, Sweden, Belgium, Greece, New Zealand, Switzerland, Canada, Ireland, Norway, United Kingdom, Denmark, Israel, the Republic of Korea, the United States, Finland, Italy, and Singapore. These statistics all came from the World Health Organization (WHO) Mortality Database and included mortality rates related to cardiovascular events. Obesity trends may play key roleLopez and Adair found that the rate of decline in CVD-related mortality has slowed down 'considerably' in 12 of the high income countries they investigated in their study. This, in particular, was the case for adults aged 35–74. Moreover, the most recent data show that CVD death rates have increased for females in the U.S. and Canada over the last year. In Australia, the U.K., and New Zealand, the decline in cardiovascular mortality has slowed down from year to year. So, why are people once more at an increased risk of premature death due to events such as stroke and heart disease, even in the richer countries of the world? Prof. Lopez and Adair have a theory. They believe that part of the answer lies in the ever increasing rates of obesity that coincide with the trends in stroke and heart disease mortality. "Each of these countries has very high levels of obesity. In Australia, close to one-third of adults are obese," notes Prof. Lopez. "These increases in obesity levels mean that a significant portion of the population has been exposed to the cardiovascular disease risks associated with being overweight for several decades," he continues. However, not all high income countries face an obesity epidemic. For instance, the researchers point out that Italy and France report the lowest number of cases of obesity among the 23 countries featured in the current study. A threat to future life expectancy ratesThis is why the researchers believe that obesity may only be one part of the problem. The rest may come down to the prevalence of other risk factors for cardiovascular problems, such as smoking, high blood pressure, and high cholesterol. "Obesity, of course, is likely to be only a partial explanation; Italy and France, where the deceleration in [cardiovascular] mortality in recent years is among the most notable [...], each has below-average obesity levels but higher smoking prevalence among both men and women," the researchers write in their paper. Going forward, the two authors suggest that countries should invest more in inputting preventive strategies and advising their citizens on the most healthful lifestyle choices. "In order to combat this, significant investment in preventive health measures is needed, particularly those aimed at increasing physical activity, improving diet and reducing obesity," says Adair.
Weight Loss via Obesity / Weight Loss / Fitness News From Medical News Today https://ift.tt/O45xlc August 6, 2019 at 07:45PM
Jenna Jameson Shares Her Fave Keto Diet Restaurant Tips In New Transformation Photo
https://ift.tt/2M2QRai Since starting the keto diet more than a year ago, Jenna Jameson has let her fans in on almost every aspect of her keto lifestyle—including her daily diet. But now, the 45-year-old mom of three is opening up about exactly what she eats when she does, arguably, one of the hardest parts of dieting: going to a restaurant. In a new Instagram post, Jenna revealed her strategy about eating out on keto—something that, at first, she avoided altogether. "When I first began my weight loss journey, I avoided eating out as much as possible," she wrote, captioning a new before-and-after photo of her keto transformation. "I felt if I wasn't making the food, there could be hidden sugars or starches." Jenna went on to say that she definitely recommends the cooking-at-home route for all dieting newcomers. "I highly recommend cooking your meals if you are in weight loss mode," she wrote. But, now that Jenna's in the "maintenance phase," she said she's eased up a little. RELATED: Jenna Jameson Reveals Her Struggle with Loose Skin After Losing More Than 60 Lbs. "When I go out to eat with my family here are some of the things I order," Jameson wrote, putting steak at the top of her must-eat list. "You can NEVER go wrong with steak," she wrote. She also shared a few other examples of how she caters to her keto diet while eating out, including swapping veggies for high-carb sides and adding protein into dishes. “Add a sautéed baby broccoli or non starchy veg and you’re golden," she added. When she's not opting for steak, Jameson said she goes the seafood-route: "Grilled fish is a perfect choice also," she wrote, adding that "Caesar salad (hold the croutons) topped with shrimp is fab." RELATED: Jenna Jameson Lost 57 Lbs. with the Keto Diet After Giving Birth: 'The Cravings Subside' "I’ve gotten so good at scanning menus for keto friendly dishes it’s now second nature," Jameson said—and clearly, it's working. Overall, Jameson has lost 80 pounds on the keto diet—a milestone she announced last year when she was still less than a year into the diet itself. Jameson also takes every opportunity she can to thank her Instagram fans for their support throughout her stint on the keto diet: “I also want to let y’all know how much your amazing support means to me," she wrote to her fans in a previous post. "I know you loved me heavy, and now… but your journeys inspire me to keep inspiring you. Thank you for going on this journey with me. I love you guys!” To get our top stories delivered to your inbox, sign up for the Balanced Bites newsletter Weight Loss via Weight Loss - Health.com https://ift.tt/2um58Un August 5, 2019 at 12:14PM
This Couple Has Been on the Keto Diet for 6 Years. Here’s How They Stick to It
https://ift.tt/2LXljTf Dave Harper and Dale Drewery are not only romantic partners, they're keto diet partners as well. In 2013, the couple, who live in Vancouver and have been together for 22 years, decided to give the high-fat, low-carb ketogenic diet a try. Six years and 40 or so pounds later, they're still going strong on keto. In fact, they recently published a book, BioDiet, that covers the science behind the super trendy plan, why it can improve overall health, plus practical tips on how to stick with it long-term. Harper, a cancer researcher and kinesiology professor at the University of the Fraser Valley, tells Health that he and Drewery, who works as a health journalist, started the plan while he was researching the impact of diet on long-term health. RELATED: A Husband and Wife Went on Keto. He Lasted Two Weeks, She Stuck to It All Year—and Lost 82 Pounds "I was introduced to the ketogenic diet in 2010 while hosting a radio program called Think for Yourself," Harper explains. Up until that time, he had been consuming what he refers to as the standard American diet, which is high in carbs. Though he was never overweight, he said that his pre-keto eating habits resulted in weight gain over time. After learning about the keto diet through the show, Harper spent two years researching it. "What I liked about it was that it made much more sense to me given my considerable understanding of how the human body (and our metabolism) works," he says. After getting the all-clear from his doctor to start the diet, he told Drewery about it, and she agreed to go keto with him. They both lost about 20 pounds each. Yet for them, the positive effects of the plan went way beyond weight loss. RELATED: 9 Fruits You Can Actually Eat on the Keto Diet “If there was any downside of going keto, it was that we had to buy new clothes because we both lost weight,” recalls Harper. "And while it's great to lose weight, it was the improvement in our health, our moods, and our energy levels that made us feel so fantastic." Harper explains that a traditional carb-heavy diet can lead to three major health setbacks: obesity, insulin resistance, and inflammation. Each of these can in turn cause the others, he says, and that creates a cycle of disease and chronic illness. "High carb diets lead to chronically high blood sugar, which causes chronically, abnormally high levels of insulin in the blood (called hyperinsulinemia)," Harper says. "Over time, this leads to insulin resistance, obesity, and inflammation: the axis of illness." RELATED: 4 Reasons You're Not Losing Weight on the Keto Diet, According to Nutritionists Since keto is the opposite of a traditional diet—it's low in carbs rather than high-carb—it can help prevent the three setbacks, he says. “With keto, most people can reduce their incidence of chronic disease,” Harper adds. (It's important to check with your doctor before going on the restrictive diet, he advises.) Making the decision to try keto is one thing—but staying motivated to continue with it can be tricky, he acknowledges. One tactic to not fall off the wagon, he says, is to follow the diet with a partner. “This isn't just a diet change, it's a lifestyle change. You're changing the way you shop, where you eat, when you eat, and more,” says Harper. "So it really does help when you have a partner doing it with you and keeping you accountable. The temptations are gone, plus you have the social support of each other." Another tip is to prepare meals yourself as much as possible, so you use foods and ingredients that fit with the plan. Harper says he tries "to plan and make all my own meals, so that I know exactly what I’m eating.” His weekly grocery list includes plenty of veggies, high-fat organ meats like liver, plus high-fat oils, creams, and cheese. RELATED: 5 Supplements You Should Take If You're on the Keto Diet As for how to stay keto when you're away from home, Harper advises keeping keto-approved snacks close at hand. “I always have a bag of nuts with me when I’m on the go, in case I can’t find a keto-friendly meal around,” Harper says. Ultimately, Harper stresses that if you're considering going on the keto diet, you should read up on it first. Also, focus on how it can improve your health. "Focus on the health benefits, because that will come with the weight loss," he says. To get more nutrition and diet tips delivered to your inbox, sign up for the Balanced Bites newsletter. Weight Loss via Weight Loss - Health.com https://ift.tt/2um58Un August 2, 2019 at 06:00PM |
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