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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Some red squirrels adopt the offspring of related individuals, a likely example of kin selection pro Some red squirrels adopt the offspring of related individuals, a likely example of kin selection pro
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
Wall painting with giraffes, zebra, eland, and abstract shapes, San people, Inanke Cave, Matobo ... Wall painting with giraffes, zebra, eland, and abstract shapes, San people, Inanke Cave, Matobo ...
For millions of people, the United States represents a land of opportunity and freedom from ... For millions of people, the United States represents a land of opportunity and freedom from ...
Ads from the public service campaign in the late 1960s and early 1970s that encouraged people to get ... Ads from the public service campaign in the late 1960s and early 1970s that encouraged people to get ...
Why do people hate mathematics? Why do people hate mathematics?
Video: Neurosynapse Animation

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