Question 1
Question 2
Ask unlimited questions for free
In 1864, the first barbiturate (barbituric acid) was synthesized.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
There are 60,000 miles of blood vessels in every adult human.
For a complete list of videos, visit our video library