|
|
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.
![Plasma protein binding and drug availability: (a) drug exists in a free state or bound to plasma pro](https://biology-forums.com/gallery/47/medium_46687_12_12_14_7_07_20_19563968.jpeg)
![Three possible phylogenies for the australopithecines with Au. anamnesis as the stem ancestor and re](https://biology-forums.com/gallery/47/medium_295860_21_02_15_2_24_36_20693962.jpeg)