|
|
Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
![Immanuel Kant (1724–1804). German philosopher considered by many to be the greatest thinker of the ...](https://biology-forums.com/gallery/47/medium_623834_08_12_16_2_12_50_24268181.jpeg)
![The upper panel shows that scores of four diverse samples of boys on a moral reasoning test show a ...](https://biology-forums.com/gallery/27/medium_660366_08_04_17_9_18_49_27545672.jpeg)