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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

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There are 60,000 miles of blood vessels in every adult human.

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If you could remove all of your skin, it would weigh up to 5 pounds.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Human Cardiovascular System Human Cardiovascular System
Recently discovered species Tersicoccus phoenici under microscope Recently discovered species Tersicoccus phoenici under microscope
Human Embryogenesis Human Embryogenesis
Living systems such as the human body consist of closely interrelated elements Living systems such as the human body consist of closely interrelated elements
Human infants are like all other placental mammals, except they are born at a less developed state. Human infants are like all other placental mammals, except they are born at a less developed state.
Environmental Influences on Personality Environmental Influences on Personality
Video: Calvin Cycle Explained!

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