Animals that hibernate live longer, so could hold clues on how to slow down ageing.

Animals that hibernate live longer, so could hold clues on how to slow down ageing.

Our mammal ancestors evolved to compete with dinosaurs but may have lost something in the process.

Exercise and socializing in old age have a protective effect on a part of the brain that plays a central role in memory.

Smoking shrinks the size of your brain. Quitting smoking prevents further loss of tissue, but can't restore the brain to its original size.

Our minds wander less as we age and, when older adults do let their minds drift, they're more likely to be distracted by pleasant thoughts, research finds.

Concussions can teach researchers a great deal about how the brain recovers after injury and offer insights into how people can promote brain health throughout their lives.