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Did you know?
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Did you know?
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.