Researchers restored a fundamental process inside severely damaged brains, and what happened next challenged assumptions about how permanent Alzheimer’s damage may be. The finding points toward an overlooked piece of the puzzle.

A few years ago, a small study from Australia, the skin cancer capital of the world, suggested a simple vitamin could help prevent the most common skin cancers. A much larger study just put those findings to the test, and they were right…

There’s a vitamin that could keep you safe from skin cancer, which is notorious for coming back again and again. And this time, it’s not vitamin D, but it’s just as important to keeping you…