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Did you know?

Thyroid conditions may make getting pregnant impossible.

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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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The human body produces and destroys 15 million blood cells every second.

Teres Major & Teres Minor Teres Major & Teres Minor
Major Cervical Muscles Major Cervical Muscles
Chemical structures of four amino acids Chemical structures of four amino acids
Aromatic Amino acids Aromatic Amino acids
Pathway for synthesis of polyunsaturated fatty acids (PUFAs) in plants and animals Pathway for synthesis of polyunsaturated fatty acids (PUFAs) in plants and animals
Major Food Sources of Saturated and Trans Fats for Americans Major Food Sources of Saturated and Trans Fats for Americans
Video: Pasteur's Experiment

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