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Everyone has one nostril that is larger than the other.
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.
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
![A schematic of a typical glow plug circuit. Notice that the relay for the glow plug and intake air ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_1_22_50_29343451.png)
![A typical eye wash station. A thorough flushing of the eyes with water is the first and often the ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_57_25_294881470.png)