The U.S. Department of Agriculture will hold public hearings on a plan to improve the safety of leafy greens such as spinach. The proposal would enforce standards for producing, handling and inspecting the greens, but some say it could put small growers out of business.
The risk of atrial fibrillation is greater in people who drink lots of coffee but do not adhere to a Mediterranean-style diet, according to a study. Italian researchers studied the dietary habits of people recently diagnosed with the common heart arrhythmia and compared them with those without the condition.
A study of mice showed that those fed a high-fat diet during their normal sleeping hours gained more weight than those fed the same diet during their normal wakeful hours even as both groups consumed the same amount of calories and used the same amount of energy. The findings suggest that the mice's metabolism might be affected by their internal clocks.