Our layers of skin change as we get older—the result of genetics and environmental factors, such as exposure to sunlight
The Tufts Now video series Ever Wonder features faculty and other experts answering questions about which we all might have wondered—everything from why we have cravings to why the oceans are salty.
The New Science of Getting Older
What is aging? It’s a simple question, but the answer is surprisingly complex—and key to our health, happiness, and success.