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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

