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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Illicit drug use costs the United States approximately $181 billion every year.
GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.
![This moose exploits the twigs and buds of woody plants for the food it needs to survive a cold north](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_28_58_19511574.jpeg)
![Elephants do not fully digest their food. Other animals, such as this Baboon may pick through elepha](https://biology-forums.com/gallery/47/medium_27689_23_04_12_3_20_32.jpeg)