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Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Exploring the functional activity of brain regions by using fMRI scans. Exploring the functional activity of brain regions by using fMRI scans.
The interaction between genetics and learning. The interaction between genetics and learning.
Two equivalent ways of drawing a phylogeny Two equivalent ways of drawing a phylogeny
The Two New Strands Form in Different Ways The Two New Strands Form in Different Ways
Four methods of recording electrical activity of the nervous system. Four methods of recording electrical activity of the nervous system.
Summary of Cytokine Activity Summary of Cytokine Activity
Video: Nervous pathway to the Neuromuscular (NMJ)

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