Myths, Metabolism, and Asia

There are a lot of myths in the fitness and weight loss industry. As I put the finishing touches on my next book, THE RUNNING DIET, here’s two myths from my chapter on running and weight loss myths. Myth: Thin people have a faster metabolism. Try this experiment: Hold five copies of one of my […]

Happy New Year, Cats, and The Inner Runner

Happy New Year! Most people who know me know that I’m a sentimental guy. I like the pomp and circumstance of special occasions. At the end of 2007, I even coerced my twin brother, who hates pomp and circumstance, into traveling from New York to Indiana to attend my PhD graduation in the snow and […]

Running, Christmas Cookies, and Luigi Cornaro

For me, the holidays aren’t just about childhood memories, shopping (which I hate to do), and carols. They’re also about food. Specifically, the food others give me. It seems that ’tis the season to give Jason Karp lots of cookies. This Christmas, like all other Christmases, people push their cookies on me, not letting me […]

Running Economy

On my 5-mile run around Lake Miramar in San Diego today, I thought about economy. People use different amounts of oxygen when running at the same submaximal speeds, and this difference explains why runners with the same VO2max do not cross the finish line together in races. This difference in oxygen use is called running […]

Running and Weight Loss Myths

  I’m not sure that any other industry has as many myths as the weight loss and exercise industry. In today’s blog, I’d like to share three, from my new book, THE RUNNING DIET: Myth: Eating right before going to bed will make you fat. Most nights, after dinner, I eat a bowl of cereal. […]

© Copyright 2025 Revo2lutionRunning.com