DNA mutations happen all the time in the body, but the immune system usually detects and deals with them. When the system fails, cancer results. Yet some animals, such as elephants, almost never get cancer, and scientists have learned that the elephant DNA repair system is 20 times more powerful than the human system. Experts explain how they hope to tap this knowledge.
Dementia has a much wider range than most people think, and people with dementia are usually functional for years. An expert discusses the course of the disease and how life can still be positive for years before it reaches the late, debilitating stage most people think of when they hear the word “dementia.”
A look at the top medical headlines for the week of May 12, 2019.