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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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The average adult has about 21 square feet of skin.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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Your heart beats over 36 million times a year.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.