|
|
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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.
Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
![In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th](https://biology-forums.com/gallery/47/medium_374628_16_08_15_9_52_07_222511109.jpeg)
![A woman in a net on a Congo shore. Although the importation of slaves was illegal after 1807, histor](https://biology-forums.com/gallery/47/medium_375552_19_08_15_9_09_52_223212491.jpeg)