- 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.
- Vaccines are doing their job, but a study found that public health campaigns touting vaccines' effectiveness and debunking the links between autism and other health risks might actually be backfiring.