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

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Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

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Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

A micrograph of the cell coat or glycocalyx of an animal cell. A micrograph of the cell coat or glycocalyx of an animal cell.
Major types of microbial cell aggregations found in phylum Cyanobacteria. Major types of microbial cell aggregations found in phylum Cyanobacteria.
Flow data for a healthy donor (top panel) and a HIV positive patient. CD3 is a T-cell marker, CD4 is ... Flow data for a healthy donor (top panel) and a HIV positive patient. CD3 is a T-cell marker, CD4 is ...
(a) The distribution of sickle cell anemia in the Old World. (b) The distribution of malaria overlap (a) The distribution of sickle cell anemia in the Old World. (b) The distribution of malaria overlap
RFLP diagnosis of sickle-cell anemia RFLP diagnosis of sickle-cell anemia
Cell Division Vector Icon Cell Division Vector Icon
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