Ask unlimited questions for free
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
Blood is approximately twice as thick as water because of the cells and other components found in it.
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
Vaccines prevent between 2.5 and 4 million deaths every year.
For a complete list of videos, visit our video library