Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
Did you know?
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
Did you know?
The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
Summation of Heart Sounds, S3
The thymus gland. This gland lies in the mediastinum of the thoracic cavity, just above the heart. I
Coronary circulation. (A) Coronary vessels portraying the complexity and extent of the coronary circ
anatomy of the heart
Anatomy of the Heart!
Lone-parent household income and the degree of vulnerability