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IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Gangrene of the toes and foot as a result of an infection often means eventual amputation. Gangrene of the toes and foot as a result of an infection often means eventual amputation.
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Heap Leach Operations for the Recovery of Gold Heap Leach Operations for the Recovery of Gold
Controlling access to water in order to gain political and strategic advantage in Gaza Controlling access to water in order to gain political and strategic advantage in Gaza
Children were given the same set of concrete operations tasks five times Children were given the same set of concrete operations tasks five times
During a period of high power demand, the voltage output of the power company is reduced by ... During a period of high power demand, the voltage output of the power company is reduced by ...
Video: Glucose Evaluation Procedure

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