On this note, the expert shares how to estimate your safe days using the calendar method: Track your periods for at least 6 months to identify your shortest and longest cycle lengths. Subtract 18 days ...

You've probably heard a thousand times how important it is, but you might be wondering... how much do I really need? Is it ...

Take this 30-second pushup test to see if your upper-body strength and endurance are years younger than your actual age.

New body composition tests are replacing BMI as a more accurate way to assess health and fitness. Measuring muscle mass and ...