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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
Green tea is able to stop the scent of garlic or onion from causing bad breath.