|
|
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
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.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.
![The relationship between number of acres a Kipsigis man owns and the number of offspring he has duri](https://biology-forums.com/gallery/47/medium_273688_23_02_15_8_11_10_20874129.jpeg)
![The location of the variable fuel sensor can vary, depending on the make and model of vehicle, but ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_3_34_44_295202468.png)