Science Weekly
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 In this week's latest publications, you'll find a range of topics around nutrition, fitness and exercise science. It looks like certain supplements are being investigated thoroughly. At the same time, studies around the effects of exercise on our health are also ongoing. The paper on the diets of children and teens is alarming, though. The highlights:
Do vitamin D supplements offer kidney-related benefits for individuals with high diabetes risk? Trial shows no significant effects on kidney outcomes In a clinical trial of individuals at high risk for developing type 2 diabetes, which is the leading cause of kidney disease, vitamin D supplementation did not have significant effects on kidney health. As participants were not selected according to baseline vitamin D levels, investigators cannot exclude a kidney benefit for individuals with vitamin D deficiency. Source: American Society of Nephrology New study offers insight on how resistance training burns fat Findings from a new study add to growing evidence that resistance exercise has unique benefits for fat loss. Researchers found that resistance-like exercise regulates fat cell metabolism at a molecular level. Source: University of Kentucky Growing evidence of vitamin K benefits for heart health New research has found that people who eat a diet rich in vitamin K have up to a 34 percent lower risk of atherosclerosis-related cardiovascular disease (conditions affecting the heart or blood vessels). Source: Edith Cowan University Study identifies molecule that stimulates muscle-building in humans In a randomized control study of 10 healthy young men, researchers compared how consuming the single amino acid leucine or its two-molecule equivalent, dileucine, influenced muscle-building and breakdown. They found that dileucine boosts the metabolic processes that drive muscle growth 42% more than free leucine does. Source: University of Illinois at Urbana-Champaign, News Bureau Ultraprocessed foods now comprise 2/3 of calories in children and teen diets Results from two decades of data show ultraprocessed foods have become a larger part of kids' and teens' diets with disparities by race and ethnicity. Source: Tufts University People with stroke who walk 30 minutes per day may have 54% lower risk of early death A new study shows that people who walk or garden at least three to four hours per week, or bike at least two to three hours per week, or the equivalent after having a stroke may have a 54% lower risk of early death from any cause. The study found the most benefit for younger stroke survivors. When people under the age of 75 exercised at least that amount, their risk of early death was reduced by 80%. Source: American Academy of Neurology Getting oxygenated blood to exercising muscles Researchers have discovered a certain type of blood vessel cell in muscles that multiplies rapidly upon exercise, thereby forming new blood vessels. Researchers can use this to find novel therapies for vascular disorders of the muscle.
Source: ETH Zurich
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