|
|
There are 20 feet of blood vessels in each square inch of human skin.
Excessive alcohol use costs the country approximately $235 billion every year.
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.
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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.
![Hiatal hernia. (a) The hernia occurs when the stomach protrudes through the diaphragm and into the t](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_23_53_96861610.jpeg)
![Continuous positive airway pressure (CPAP) device. The sleeping subject is receiving the benefits of](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_25_45_10061802.jpeg)
![Use the test light to check for voltage at terminal 30 of the relay. The ignition may have to be in ...](https://biology-forums.com/gallery/30/medium_548020_31_05_17_11_04_26_30083879.png)