Did you know?
Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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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.
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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.
Image of pitcher plant mosquito Wyeomyia smithii, showing segmentation and partial anatomy of circul
These young children are taking the initiative to explore their environment as they examine a snail
Pre–steady state kinetic evidence for an acyl-enzyme intermediate
Effects of viruses on their host cells.
The glutamine synthetase reaction occurs via an acyl phosphate intermediate
A Bacteriophage Injecting DNA into a Host