Did you know?
Thyroid conditions may make getting pregnant impossible.
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Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
Species richness of birds in North America.
A human karyotype.
The early stages of the human life cycle.
Species Diversity "تنوع الكائنات الحية"
Consistency and Change in Personality Over the Lifespan
The human brain