If you’re interested in getting more exercise and improving your fitness, you might be thinking about taking up a form of cardiovascular activity such as running, swimming, or cycling. While all t...

As the weather warms up and the days lengthen, people across the US and the world will be heading outdoors to enjoy hiking. Hiking—or vigorous, recreational walking in the countryside—has grown la...

By Cindi Todd, In 2008, I suddenly felt like I had the flu, yet different. I was so exhausted that it felt like I was trying to run in a pool with a wet wool blanket on me. I had these strange rash...