|
|
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Medication errors are three times higher among children and infants than with adults.
Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.
![An intra-aortic balloon pump increases circulation to the coronary arteries and decreases the worklo](https://biology-forums.com/gallery/47/medium_18099_24_10_12_3_12_10.jpeg)
![Functional MRI Scans These scans of human brains show localized average increases in neural activity](https://biology-forums.com/gallery/47/medium_6_31_03_15_7_18_49_211892310.jpeg)