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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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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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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Nonpoint Sources of Pollution Nonpoint Sources of Pollution
Renewable Energy Sources Globally Renewable Energy Sources Globally
Whole fruits and vegetables, whole grains, and legumes are the best food sources of fiber Whole fruits and vegetables, whole grains, and legumes are the best food sources of fiber
Kidney beans, steak, and iron-fortified bread and cereal are good sources of iron Kidney beans, steak, and iron-fortified bread and cereal are good sources of iron
Possible Sources of Differences in Output per Worker Possible Sources of Differences in Output per Worker
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
Video: Nerve Impulse Transmission Animation

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