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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.