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Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Gene duplication increases genetic complexity Gene duplication increases genetic complexity
Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th
Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s
Antiparkinson Drugs Focus on Restoring Dopamine Function and Blocking Cholinergic Activity in the Ni Antiparkinson Drugs Focus on Restoring Dopamine Function and Blocking Cholinergic Activity in the Ni
The excitatory and inhibitory signals that directly influence the activity of a motor neuron. The excitatory and inhibitory signals that directly influence the activity of a motor neuron.
Classical-Conditioning Activity Classical-Conditioning Activity
Video: Primate Evolutionary Tree Animation

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