Did you know?
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
The Environment Influences Gene Expression
These young children are taking the initiative to explore their environment as they examine a snail
Preparing a Urine Specimen for Microscopic Examination (for Classroom Evaluation Only)
Industrial Waste and the Impact on the Environment
The effect of gene–environment interaction