Did you know?
Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
Did you know?
Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.
Order and Duration of Sleep Stages Through a Typical Night
Typical combustion and exhaust temperatures.
Cutaway view of a typical alternator.
Typical wiring diagram of a V-6 distributorless (direct fire) ignition system.
A typical zirconia oxygen sensor.
An EPSP, and IPSP, and an EPSP followed by a typical AP.