Most adults need 7-9 hours of sleep per night. Sleep duration varies by age and individual health. Babies and young children require more sleep than adults
BMI calculator provides results for height and weight categories. Calculator offers both metric and US unit options. Includes BMI Prime and Ponderal Index calculations
Calculator predicts calorie burn for various distances and speeds. Walking is common exercise for runners and weight loss. Low-impact walking suitable for injury recovery and warm-up
Therapists heat oil on special warmer before massaging. Massage focuses on back, shoulders, legs, neck and arms. Professional therapists use various oils including sesame, coconut, almond
Oxygen therapy is medical use of oxygen for treatment. Commonly used in hospitals, EMS, and first aid. First became common around 1917. Essential medicine on WHO's List
Stride length is the distance traveled in two steps with both feet. Average adult stride length is 2.5 feet. Stride length can be measured by walking 10 steps and dividing by 10