More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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Thyroid conditions may make getting pregnant impossible.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.
Cell signalling via integrins in anchoring junctions
Changes in cell shape due to alterations in intracellular fluid volume.