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How many hours of sleep do adults need?
Most adults need between 7 and 9 hours of sleep per night for optimal health. view more
Fitness & Exercise
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What is a normal resting heart rate?
A normal resting heart rate for adults is between 60 and 100 beats per minute (BPM). view more
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How much water should you drink daily?
The common recommendation is 8 glasses (about 2 liters or 64 ounces) per day, though individual needs vary. view more
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What is a healthy BMI?
A healthy Body Mass Index (BMI) falls between 18.5 and 24.9. view more
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How many calories are in a pound of fat?
There are approximately 3,500 calories in one pound of body fat. view more