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Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Common pathogens and some infections Common pathogens and some infections
Historical timeline of regulatory acts, standards, and organizations. Historical timeline of regulatory acts, standards, and organizations.
Diseases Common to the Elderly Diseases Common to the Elderly
Some common eye disorders. (A) Conjunctivitis (“pinkeye”). Some common eye disorders. (A) Conjunctivitis (“pinkeye”).
The level of emissions from transport in the United States is twice as high as the global average The level of emissions from transport in the United States is twice as high as the global average
Common Neurotransmitters Common Neurotransmitters
Video: How Hemoglobin Picks Up and Delivers Oxygen

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