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Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Balancing selection and heterozygote advantage. Balancing selection and heterozygote advantage.
Primary production increases with an increase in total phosphorus concentration. Primary production increases with an increase in total phosphorus concentration.
Major Motor Pathways Major Motor Pathways
Running time on 100-meter sprint for men and women master athletes increases with age. Source: Korho Running time on 100-meter sprint for men and women master athletes increases with age. Source: Korho
The major structures of the limbic system: amygdala, hippocampus, cingulate cortex, fornix, septum, ... The major structures of the limbic system: amygdala, hippocampus, cingulate cortex, fornix, septum, ...
Major inner membrane transport systems for respiratory substrates and products Major inner membrane transport systems for respiratory substrates and products
Video: Erythropoietin (EPO)

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