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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

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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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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Browning and Gunning demonstrated that placental transfer tissues increase plant reproductive succes Browning and Gunning demonstrated that placental transfer tissues increase plant reproductive succes
One-handed kneading. Tissues are lifted with the whole hand in firm contact. One-handed kneading. Tissues are lifted with the whole hand in firm contact.
Circular two-handed petrissage. Tissues are picked up between the hands as they pass each other. Circular two-handed petrissage. Tissues are picked up between the hands as they pass each other.
Early Childhood Caries When infants are given a bottle shortly before sleep Early Childhood Caries When infants are given a bottle shortly before sleep
Deciduous and permanent teeth Deciduous and permanent teeth
The age-of-onset curve for Huntington disease (HD) The age-of-onset curve for Huntington disease (HD)
Video: Neurosynapse Animation

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