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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

the comet Encke riding along its pebbly trail of debris (long diagonal line) between the orbits of M the comet Encke riding along its pebbly trail of debris (long diagonal line) between the orbits of M
Solomon's Seal Solomon's Seal
Historical Time Line of Regulatory Acts, Standards, and Organizations Historical Time Line of Regulatory Acts, Standards, and Organizations
Tai chi walk along straight line. From tai chi stance, shift weight to the back leg and turn the ... Tai chi walk along straight line. From tai chi stance, shift weight to the back leg and turn the ...
The Meselson–Stahl experiment The Meselson–Stahl experiment
he Luria-Delbriick Experiment Demonstrating Are Spontaneous he Luria-Delbriick Experiment Demonstrating Are Spontaneous
Video: Depolarization of the SA node, Action potentials of the myocardium & ANS effects

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