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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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.
The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.
![Mutualistic associations between fungi and plant roots: (a) arbuscular mycorrhizal fungus stained so](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_40_33_1986319.jpeg)
![Mutualistic associations between fungi and plant roots: (a) arbuscular mycorrhizal fungus stained so](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_40_33_19871612.jpeg)