|
|
Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.
Illicit drug use costs the United States approximately $181 billion every year.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
![Traniello and his colleagues demonstrated that social insects may develop “social imm](https://biology-forums.com/gallery/47/medium_33_01_08_11_10_47_28_1303845.jpeg)
![Long bones develop from several bony centers--one for the shaft and at least one for each end. The e](https://biology-forums.com/gallery/47/medium_273688_23_02_15_8_21_19_208905.jpeg)