How People Have Evolved to Live in the Clouds

Thanks to Brilliant for supporting this episode of SciShow. Go to Brilliant.org/SciShow to learn more. ♪♪♪ Even the most seasoned mountain climbers can start to struggle at high altitudes. That’s because the higher you hike, the thinner the air gets. It’s literally less dense because it’s under less pressure, and that means you get fewer…

CDC Vital Signs: Getting Blood Pressure Under Control

On September 4th, 2012, CDC released its 25th issue of VITAL SIGNS, a monthly “call to action” concerning a single important Public Health topic. This report focuses on the issue of blood pressure control. In the United States more than one-third of the adult population, or approximately 67 million people, have high blood pressure. Of…

High Blood Pressure Basics

It’s a beautiful fall evening… The sun is setting. The dog finally stopped barking. Life is good. But inside, there’s trouble brewing … and Emma has no idea. Although she feels fine, like her father, Emma is one of the 67 million adults in the U.S. with high blood pressure, or hypertension. Just like her…