Running Got You Tired? Don't Blame Your Lungs
By Jason R. Karp, Ph.D.
Think your lungs aren't fit for running? Get the truth about the role of your lungs and what you can do when you're out of breath.
Start your half marathon training with our guide to half marathon races for first-timers, half marathon training schedules, running workouts, and nutrition tips for your half marathon race day from the experts.
Jason Karp is a nationally-recognized running and fitness coach and owner of Run-Fit.