- Researchers reported in the March 6 issue of Anticancer Research that patients with high levels of Vitamin D in their blood were twice as likely to survive breast cancer than women with low levels of the nutrient.
- Jamil Nathoo is one of six CNN viewers selected to be a part of the Fit Nation Triathlon Challenge program. Follow the "Sassy Six" on Twitter and Facebook as they train to race the Nautica Malibu Triathlon with Dr. Sanjay Gupta on September 14.
- CrossFit is a fitness regimen that focuses on strength and conditioning through aerobic exercise and weight lighting in high-intensity intervals. It's gained popularity with adults and, now, some gyms are targeting the approach for kids.
- Heart disease and cancer are the first and second leading causes of death among Americans. However, researchers say the numbers are based on what is reported on death certificates, which could under-represent Alzheimer's-related deaths.