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Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

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.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

The lymphatic system The lymphatic system
An electrocardiogram (EKG) wave, a record of the electrical signal as it moves through the conductio An electrocardiogram (EKG) wave, a record of the electrical signal as it moves through the conductio
Organs of the digestive system. Organs of the digestive system.
Lymphatic system vessels and the flow of lymph. Lymphatic system vessels and the flow of lymph.
The price of rice in a small country is currently $6 per pound. In order to help low-income ... The price of rice in a small country is currently $6 per pound. In order to help low-income ...
The complement system The complement system
Video: Central Nervous System Animation

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