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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

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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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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Cerebral angiography. The four angiograms each reveal the distribution of blood vessels supplying th Cerebral angiography. The four angiograms each reveal the distribution of blood vessels supplying th
Types of Neurons and Neuron Anatomy Types of Neurons and Neuron Anatomy
Mechanisms of action of antidepressants: (a) In adrenergic and serotonergic neurons the activity of ... Mechanisms of action of antidepressants: (a) In adrenergic and serotonergic neurons the activity of ...
Reorganization of the rat motor cortex following transection of the motor neurons that control ... Reorganization of the rat motor cortex following transection of the motor neurons that control ...
Sensory Differences Between Species Sensory Differences Between Species
A nerve cell (neuron) has extensions called dendrites A nerve cell (neuron) has extensions called dendrites
Video: Dissociative Disorders (Part 3)

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