Mental Floss

HEALTH





iStock

Opposition to smoking has been around almost as long as smoking itself, and some of the historical measures to curb lighting up might surprise you.

Ethan Trex




Thinkstock

What’s the secret to a long and healthy life? All centenarians have their own habits and morning routines they swear by. From whiskey shots to daily naps to ice cream, here's what some very old people credit for their lengthy lifespan.

DeAnna Kerley




iStock

There are several thousand species of fleas around the world—and 300 of these bloodsucking pests call the U.S. home.

A.K. Whitney