The Benefits of Carbohydrates, Committing to Goals, and Sleep's Impact on the Immune System

Unless you're a runner, most people don't like cardio. But a new analysis of 11 studies might give you more motivation to increase your step count. Research suggests there's a strong relationship between aerobic exercise and erectile dysfunction. On this episode, Arnold shares what you need to know. He also breaks down a study on how to prevent the common cold, and why ketone supplements might be overhyped.

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