True or False: Low vitamin D may increase your cold and flu risk. False.

That’s what new findings published in the Journal of the American Medical Association suggest. Instead, researchers recommend a balanced diet and regular exercise as the best defense against getting sick. While the study found no correlation between colds and flu and vitamin D levels, the scientists involved say further research is needed.

45%

The number of Americans who usually make New Years resolutions. Weight loss was the top resolution of 2012.

Sit less. Live longer.

A recent study led by a researcher at Louisiana State University’s Pennington Biomedical Research Center estimates that two years may be added to the life expectancy of those who reduce sitting to less than three hours a day. Other research shows that sitting for too long can cause physiological changes in metabolism.

Don’t limit family meals to holidays.

Kids who eat regularly with their families are more likely to eat healthier, have a lower body mass index (BMI) and get higher grades in school, according to Rutgers University.

Healthy heart = Healthy brain

Research published in the Archives of Neurology suggests that people with low levels of good cholesterol, or high-density lipoprotein (HDL) cholesterol, may be more likely to develop Alzheimer’s disease. HDL levels can be increased through losing weight, exercising, quitting smoking and eating healthier fats.