Athletes and avid exercise enthusiasts have long used a standard formula to determine their maximum heart rate, a number that's then used by fitness trainers and electronic exercise gear to develop endurance and fitness. The old maths suggests subtracting one's age from 220, but new data suggests that women should use a more complicated trick: 206 minus 88 percent of their age. Keep that in mind the next time your treadmill seems angry at you about dropping off your fitness track. [New York Times]
How Women Should Determine Maximum Heart Rate
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