The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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.
Did you know?
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
Did you know?
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
There is an inherent power differential between massage therapists and their clients.
End of the last Pleistocene glacial maximum
Social Problems: A Critical Power-Conflict Perspective
Children's behaviour rating scores on measures of aggression and anxiety
Age is the leading risk factor for cancer
Conversion of F+ to an Hfr state occurs by integration of the F factor