|
|
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.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.
![Many gasoline service stations have signs posted warning customers to place plastic fuel containers ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_1_36_26_293801874.png)
![After adjusting the valves that are closed, rotate the engine one full rotation until the engine ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_4_42_27_297481682.png)