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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

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Thyroid conditions may make getting pregnant impossible.

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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

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Video: Interview with an Anorexic Woman (Part 2 of 2)

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