When it comes to cancer, early detection often leads to better outcomes. That means that the more often and more thoroughly you screen for cancer, the better, right? When it comes to mammograms , many experts are beginning to say that's not necessarily true.

Is it a good idea to take antioxidant vitamins and nutrients if you have cancer? The opinions are mixed. On the one hand, studies show that patients who have cancer who take antioxidant supplements feel better than those who don't. But other studies show that taking them might actually cause the cancer to grow faster, particularly in lung cancer.

With rates of Alzheimer's disease on the rise, researchers are constantly seeking new insight into what causes this disease, how to prevent it, and how to possibly reverse it. According to the Alzheimer's Association, this year, 5.1 million Americans are struggling with dementia, and by 2025, this number is expected to increase by 40% to 7.1 million. At least, that is, unless researchers find a way to slow or stop its progress.