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People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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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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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.
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Illicit drug use costs the United States approximately $181 billion every year.
The life cycle of a typical fern.
Species-rich floras of chalk grassland compared to species-poor floras of acid soils.
The end of a typical line wrench, which shows that it is capable of grasping most of the head of ...
Typical quick-connect steps.
A typical port fuel-injected system showing a vacuum-controlled fuel-pressure regulator.
Typical features of expression vectors for E. coli