Ever feel like your brain is running on empty by 3 p.m.? That mental fog that creeps in during afternoon meetings or when you’re trying to tackle a challenging project might not just be fatigue — it ...

Like most people over 40, I’ve noticed that my memory can sometimes be a little sluggish, and my mind doesn’t always seem to be as quick and sharp as it was when I was, say, in my 20s. This cerebral ...

After about age 40, our brains begin to lose a step or two. Each year, our reaction time slows by a few thousandths of a second. We're also less able to recall items on a shopping list. Those changes ...