
It has long been believed that medical diseases can often be a result of our western diet. Well, it turns out that we now have an even better reason to eat fiber, not just for our bowels, but for our hearts.

For most of us, public speaking is a deep fear, probably dating back to our first “show and tell” command performance in kindergarten.

We have redesigned our ancestors’ active workplace to remove most movements as we sit all day at a desk. So the modern response to stress has gone from the “fight and flight” option to a not-so-energetic “sit and stare” response. and new research is indicating that even more is at stake with our modern inactivity.

Whole industries sell billions of dollars of products designed to make marginal improvements in our immune system, or to add a few more good years to our lives. But one of the cheapest and most sure-fired lifelines is also one of the finest: dental floss.