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There are approximately 3 million unintended pregnancies in the United States each year.
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.
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.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.