|
|
To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
![MSDS labels provide an abridged version of substance hazards information and must be permanently ...](https://biology-forums.com/gallery/47/medium_665046_09_03_17_10_53_08_267821145.jpeg)
![The relationship between the permissible exposure limit (PEL), the short-term exposure limit (STEL), ...](https://biology-forums.com/gallery/33/medium_380798_24_08_17_3_39_50_33670615.jpeg)