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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

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

L-type calcium channel: (a) Calcium channel opens when an action potential passes across the ... L-type calcium channel: (a) Calcium channel opens when an action potential passes across the ...
The coolant temperature is controlled by the thermostat, which opens and allows coolant to flow to ... The coolant temperature is controlled by the thermostat, which opens and allows coolant to flow to ...
When the thermostat opens, the coolant can flow to the radiator. When the thermostat opens, the coolant can flow to the radiator.
A point-type ignition system showing the distributor cam which opens the points A point-type ignition system showing the distributor cam which opens the points
When the EGR valve opens, exhaust gases flow through the valve and into passages in the intake ... When the EGR valve opens, exhaust gases flow through the valve and into passages in the intake ...
An ice-free summer opens the Arctic for exploration An ice-free summer opens the Arctic for exploration
Video: Simple Diffusion - gases and nonpolar compounds transport

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