The wild meat consumed by Otzi was eaten fresh or perhaps dried. The presence of toxic bracken particles could be due to Otzi taking bracken as a way to treat intestinal problems caused by parasites, or by using the leaves to wrap food.
A therapy that harnesses the body’s immune system to target and destroy cancer cells has been found to help people with melanoma that has spread to the brain.
Half of Americans say they've tried to lose weight in the past year -- including two-thirds of those who were obese, CDC researchers say.
Older people with high systolic blood pressure readings (the top number) had higher risks of having blood vessel blockages in the brain and tangles linked to Alzheimer's disease, researchers found in a study that tracked more than 1,300 people until they died.
