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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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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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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

The female reproductive system. (a) Sagittal section through the pelvis. (b) Top view of pelvic orga The female reproductive system. (a) Sagittal section through the pelvis. (b) Top view of pelvic orga
Endomembrane system Endomembrane system
Hormones and the endocrine system. Hormones and the endocrine system.
The major human endocrine glands and their central nervous system control centers The major human endocrine glands and their central nervous system control centers
RAA system RAA system
Integumentary system & Skeletal system Integumentary system & Skeletal system
Video: Photosynthesis and Van Helmont Experiment

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