|
|
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.
The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
![A photograph of Commodore Matthew Perry in 1855 juxtaposed with a Japanese portrait of him. When Per](https://biology-forums.com/gallery/47/medium_375552_19_08_15_9_26_02_22337682.jpeg)
![The Masses, a leading Socialist magazine, featured drawings by artists, including John Sloan, as wel](https://biology-forums.com/gallery/47/medium_376716_26_08_15_11_19_26_224531623.jpeg)