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Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Plastid composition of egg cells from green, white, and variegated four-o'clock plants. Plastid composition of egg cells from green, white, and variegated four-o'clock plants.
Plants Plants
Plants Plants
A Listing of Repeat Units for 10 of the More Common Polymeric Materials A Listing of Repeat Units for 10 of the More Common Polymeric Materials
Population of California poppy plants Population of California poppy plants
The monohybrid cross between tall (D) and dwarf (d) pea plants The monohybrid cross between tall (D) and dwarf (d) pea plants
Video: Chemical Synapse Animation

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