News tagged with steroids
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A steroid is a terpenoid lipid characterized by its sterane or steroid nucleus: a carbon skeleton with four fused rings, generally arranged in a 6-6-6-5 fashion. Steroids vary by the functional groups attached to these rings and the oxidation state of the rings. Hundreds of distinct steroids are found in plants, animals, and fungi. All steroids are made in cells either from the sterol lanosterol (animals and fungi) or from the sterol cycloartenol (plants). Both sterols are derived from the cyclization of the triterpene squalene.
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An international team of researchers, led by physician-scientists at Johns Hopkins, reports that a once-daily tablet containing a high dose of a key ragweed pollen protein effectively blocks the runny noses, sneezes, nasal ...
Immunology May 07, 2013 | not rated yet | 0
Testosterone may trigger a brain chemical process linked to schizophrenia but the same sex hormone can also improve cognitive thinking skills in men with the disorder, two new studies show.
Neuroscience Apr 26, 2013 | not rated yet | 0
Since 1977, there has been a 70% increase in caffeine consumption among children and adolescents. Whether it is coffee, tea, soda, or energy drinks, our children are consuming more of it. One well documented effect of caffeine ...
Health Apr 22, 2013 | 3.5 / 5 (2) | 0