Obesity is a major health problem in this country. It should be no surprise that exercise can help prevent weight gain. But based on a study of more than 85,000 healthy Norwegians followed for more than 20 years, Norwegian researchers determined that a specific measurement – physical activity equivalent to 100 PAI a week – can counteract excessive weight gain. PAI stands for Personal Activity Intelligence, and it measures all physical activity, not just exercise, that causes your heart rate to increase above a certain level. The PAI Health app, available for free on both iPhone and Android platforms, uses data from your Apple Watch, FitBit and other devices to calculate a weekly score based on your personal profile and variations in heart rate over the period. Even if you have a healthy weight, getting 100 PAI each week has been shown to help you live longer and decrease your risk for cardiovascular disease.
That’s Gotta Hurt
The Injuries That Changed Sports Forever
Through the stories of a dozen athletes whose injuries and recovery advanced the field (including Joan Benoit, Michael Jordan, Brandi Chastain, and Tommy John), Dr. Geier explains how sports medicine makes sports safer for the pros, amateurs, student-athletes, and weekend warriors alike.Get the Book
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