A century ago, British scientists suggested a link between increased hygiene and allergic conditions — the first hint that our immune system

Ask the very old on Ikaria how they managed to live past 90, and they’ll usually talk about the clean air and the wine. By Dan Buettner.

Walking can help your blood pressure, sleep patterns, mood and more. By Sara Altshul, AARP Bulletin

An adult who spends an average of six hours a day watching TV over the course of a lifetime can expect to live 4.8 years fewer than a person