Runner Legs, Mitochondria, and Your Mommy’s DNA

Running is all about your legs. When you run, many enzymes are busy at work in your calves, hamstrings, quadriceps, and other muscles, catalyzing numerous chemical reactions to break down carbohydrates and fat for fuel, including the one that breaks the strong bonds of ATP molecules we learned about in high school biology class to […]

Long run, fuel belts, and Rice Krispies

Today I ran 18 miles (approximately, since I don’t have a GPS) as part of my New York City Marathon preparation. It’s been very hot in San Diego (September and October are the hottest months here), so I woke up at 5:30, ate a small breakfast of a bowl of Rice Krispies cereal (don’t judge […]

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