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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
Malpresentation of fraternal twins. Malpresentation of fraternal twins.
Two wells are filled with related or partially identical antigens. The well on the left contains an ... Two wells are filled with related or partially identical antigens. The well on the left contains an ...
Identical Twin Normal Birth Position Identical Twin Normal Birth Position
identical (left) and fraternal (right) twins identical (left) and fraternal (right) twins
Cut the figure into two identical parts Cut the figure into two identical parts
Video: Brief Summary on Photosynthesis - Animation

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