Health & Fitness

Education about gene-by-environment interaction (G X E) causes of eating behaviors can have beneficial downstream effects on attitudes toward people with higher weight. A recent study found that participants who received education about G X E concepts reported higher empathy and held fewer stigmatizing attitudes toward individuals with higher weight. G X E is when two different genotypes respond to variations in the environment in two different ways.

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The risk for poor glycemic control in patients with type 2 diabetes can be predicted with confidence by using machine learning methods, a new study finds. The most important factors predicting glycemic control include prior glucose levels, duration of type 2 diabetes, and the patient's existing anti-diabetic medicines.

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Fewer cases of melanoma were observed among regular users of vitamin D supplements than among non-users, a new study finds. People taking vitamin D supplements regularly also had a considerably lower risk of skin cancer, according to estimates by experienced dermatologists. The study included nearly 500 people with an increased risk of skin cancer.

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Researchers are employing sparsification, a method from graph theory and computer science, to identify which links in a network are the most important for the spread of disease.

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A new study challenges existing ideas of how buildup of a protein called amyloid beta (A?) in the brain is related to Alzheimer's disease.

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Using a new method based upon comparing DNA mutation rates between parents and offspring, evolutionary biologists have revealed the average age of mothers versus fathers over the past 250,000 years, including the discovery that the age gap is shrinking, with women's average age at conception increasing from 23.2 years to 26.4 years, on average, in the past 5,000 years.

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A randomized, controlled trial of community gardening found that those who started gardening ate more fiber and got more physical activity -- two known ways to reduce risk of cancer and chronic diseases. They also saw their levels of stress and anxiety significantly decrease.

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