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Author Question: A schedule of reinforcement in which the reinforcer is delivered after X number of responses on the ... (Read 47 times) |
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
There are more sensory neurons in the tongue than in any other part of the body.