Masks Do Not Block Breathing

Masks Do Not Block Breathing

Researchers showed that “wearing a surgical face mask did not cause gas exchange abnormalities in healthy adults or even in adults with lung function impairment” (Annals ATS, March 2021;18(3):539-541). The authors measured carbon dioxide exchange and oxygen saturation...
Exercise for Both Endurance AND Intensity

Exercise for Both Endurance AND Intensity

For maximum health benefits, you should work for both endurance and intensity in your exercise program. We have lots of evidence that exercise prolongs lives by reducing risks for chronic diseases such as high blood pressure, heart attacks and diabetes (PLoS Medicine,...