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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

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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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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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The human body produces and destroys 15 million blood cells every second.

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Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Comparison of small subunit rRNA gene sequences of vertebrate, invertebrate chordate, and invertebra Comparison of small subunit rRNA gene sequences of vertebrate, invertebrate chordate, and invertebra
Hormonal regulation of digestion rate in the stomach and small intestine. Hormonal regulation of digestion rate in the stomach and small intestine.
Approximately 1 pound (0.45 kg) of ground elk meat formed into patties; note the relatively small fa Approximately 1 pound (0.45 kg) of ground elk meat formed into patties; note the relatively small fa
Common skin signs are often evidence of an illness or disorder. A vesicle is a small fluid filled ... Common skin signs are often evidence of an illness or disorder. A vesicle is a small fluid filled ...
The small arrows indicate the air bypassing the throttle plate in the closed throttle position. ... The small arrows indicate the air bypassing the throttle plate in the closed throttle position. ...
Use small circular strokes up the ankle and leg. Use small circular strokes up the ankle and leg.
Video: Egg and Sperm Formations in Animals Animation

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