10 Amazing Things You Didn't Know About Your Own Body

You’re pretty brainy

Give it up for your noggin. There are at least 100 trillion neural connections in the human brain. Keep them all firing by following these brain-boosting habits. Whether you tutor others or learn to play an instrument, you can protect against cognitive decline and stay sharp for the long haul. Plus, make sure you’re not falling for any of these human body myths, which could damage your health.