|
|
There are more bacteria in your mouth than there are people in the world.
IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.
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.
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.
![Nephroblastoma. A sectioned kidney reveals the presence of a very large tumor, which arose from feta](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_19_56_9663363.jpeg)
![About 78% of middle-aged adults (aged 40–59) have at least one living parent, and for over a third ...](https://biology-forums.com/gallery/47/medium_660365_23_12_16_3_52_08_243711700.jpeg)