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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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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.
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GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.
Origin of T cells, B cells, RBCs, WBCs, and platelets.
The illusory bands visible in this figure are often called Mach bands, although Mach used a ...
The overall process of splicing
Cystic fibrosis is caused by a mutation in a protein called CFTR
For a particular process that is carried out at constant pressure, q = 145 kJ and w = -35 kJ. ...
Here we show the first three divisions of cleavage, a process that carves up a zygote’s cytoplasm. ...