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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
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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.
Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort
Ionizing Radiation
Radiation Side Effects, Healing Time, and Intervention
Intensity and Wavelengths of Emitted Radiation
The electromagnetic spectrum. Ionizing radiation is only a small portion of the electromagnetic ...
Mount Pinatubo caused ~1˚C cooling for up to 5 years