A CDC report found that fewer than 20% of U.S. high school students get at least an hour of physical activity a day and only 37 states require physical education for all grades in schools. The report also showed that only about one in five homes have parks or a fitness or recreation center within half a mile, which officials said could contribute to childhood obesity.
A study from the Harvard School of Public Health refutes earlier concerns that food manufacturers would simply switch to saturated fat when reformulating foods to eliminate trans fat. The lead researcher said restaurants and food manufacturers who invest in reformulating their products "are trying to do the right thing" by replacing the trans fat with healthier fats.
While food safety efforts have focused on a deadly E. coli strain known as E. coli O157:H7, six less-common strains received little attention. Now they are being recognized as serious threats to food safety, with one responsible for tainting romaine lettuce in an outbreak that has sickened at least 26 people.
Department of Agriculture officials are hitting the road in a 40-foot-long food safety mobile to teach children about proper food handling. The Food Safety Discovery Zone is an interactive classroom that demonstrates the food safety mantra of "clean, separate, cook and chill" in creative ways.
Children who get an immediate reaction or who have asthma or other food allergies are more likely to have a persistent allergy to cow's milk, a study found. Researchers said the factors were independent predictors and may help define the probability that a child will recover from an allergy to cow's milk.