|
|
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.
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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.
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
![This couple, a brother and sister in Germany and the proud parents of this child, are challenging ...](https://biology-forums.com/gallery/27/medium_482573_20_04_17_12_30_44_279421019.png)
![Spring force, crankcase pressure, and intake manifold vacuum work together to regulate the flow rate ...](https://biology-forums.com/gallery/30/medium_548020_01_06_17_5_17_25_30124251.png)