You know about the stubborn weight gain and the sometimes-painful sex (thanks so much, dryness down there), but here are some other unexpected changes you can expect in your 40s.
Ever wondered what people who fix skin issues for a living put on their own faces? Here's everything you wanted to know.
Of all the measurements associated with your health, resting heart rate doesn't get much attention. But research suggests that it should.
These go way beyond teenage tanning coming back to haunt your skin.