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Did you know?

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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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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

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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

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

Red squirrel Front view, Gatineau Park, Quebec Red squirrel Front view, Gatineau Park, Quebec
Marina Abramović, The House with the Ocean View—Nov. 22 9:54 am, 2002. Living installation. Marina Abramović, The House with the Ocean View—Nov. 22 9:54 am, 2002. Living installation.
The kidney with an expanded view of the nephron. The kidney with an expanded view of the nephron.
Peritoneum (anterior view) Peritoneum (anterior view)
Lateral view of right side of brain Lateral view of right side of brain
Video: Bipolar Disorder

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