|
|
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.
![Many people consider the British statesman Winston Churchill (1874–1965) to be an exemplar of the ...](https://biology-forums.com/gallery/47/medium_660366_21_03_17_2_37_00_273062316.jpeg)
![Poverty rates have declined in the last 50 years, and the biggest decline has been for people 65 and ...](https://biology-forums.com/gallery/27/medium_660366_07_04_17_11_20_47_275071559.jpeg)