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Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

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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.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Effect of the activation energy barrier. Effect of the activation energy barrier.
First-pass effect. First-pass effect.
Doppler Effect, Observer Moving Doppler Effect, Observer Moving
(a) The connection required to test a Halleffect sensor. (b) A typical waveform from a Hall-effect ... (a) The connection required to test a Halleffect sensor. (b) A typical waveform from a Hall-effect ...
Effect of Shifting Labor into R&D Effect of Shifting Labor into R&D
The First-Pass Effect The First-Pass Effect
Video: Rods and Cones Animation

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