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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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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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Cyanide works by making the human body unable to use oxygen.

E. coli bacteria cell E. coli bacteria cell
Secondary intravenous lines: (b) an intravenous piggyback (IVPB) alignment Secondary intravenous lines: (b) an intravenous piggyback (IVPB) alignment
Long-term Potentiation in the granule cell layer of the rat hippocampal dentate gyrus. (Traces ... Long-term Potentiation in the granule cell layer of the rat hippocampal dentate gyrus. (Traces ...
The eukaryotic cell cycle The eukaryotic cell cycle
Spectral karyotype of cell Spectral karyotype of cell
A dendritic cell preparing to engulf spores of a fungus, Aspergillus fumigatus. A dendritic cell preparing to engulf spores of a fungus, Aspergillus fumigatus.
Video: ATPase function - membrane transport, contractile proteins and synthesis

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