Aging

Aging

QMy son is only 20, and his hair is starting to gray! Is this normal or a sign of a problem? AMost likely, there is nothing to worry about. The age at which a person begins to “go gray” is mainly determined by genetics. It’s the genes that determine when production of melanin (the pigment

Aging

QI’ve read that having a sense of purpose is supposed to help people live longer. Is that really true?  AYes, it is. To explain why, let me give you a little background and a recap of some exciting recent research. First, let’s start with some good news on the human lifespan. Based on the latest

1 2 3 5