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Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th
Pericardial effusion: A, normal pericardial sac; B, pericardial sac with excess fluid possibly causi Pericardial effusion: A, normal pericardial sac; B, pericardial sac with excess fluid possibly causi
Deficiency/Vice, Mean/Virtue, Excess/Vice Deficiency/Vice, Mean/Virtue, Excess/Vice
Kyo and jitsu-concept of energy deficiency and excess from shiatsu. Kyo and jitsu-concept of energy deficiency and excess from shiatsu.
The oceans have absorbed 90% of excess energy The oceans have absorbed 90% of excess energy
How many grams of H2 gas can be produced by the reaction of 54.0 grams of Al(s) with an excess ... How many grams of H2 gas can be produced by the reaction of 54.0 grams of Al(s) with an excess ...
Video: Major Elements in Biological Molecules: Nucleic acids

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