But to what extent varies a lot depending on the specific genes ... but for most adults, you should aim to get seven to nine hours a night. And try to have good “sleep hygiene” by going ...

A 115-year-old Surrey woman named Ethel Caterham has officially been handed the title of the oldest living human alive.

A body of evidence shows that practicing yoga can lead to changes in gene expression that support improved health and well-being.

What happens when good genes go bad? What kinds of mutations create "lethal genes," and how are they passed on? Lethal genes can be recessive, as in the aforementioned mouse experiments.