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Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

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.

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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Lysosomes Isolate Digestive Enzymes from the Cytoplasm 1 Lysosomes Isolate Digestive Enzymes from the Cytoplasm 1
This young boy with muscular dystrophy needs to receive tube feedings and home nursing care. He atte This young boy with muscular dystrophy needs to receive tube feedings and home nursing care. He atte
Banding of an esophageal varix; A, varix; B, insertion of tube with O-ring; C, O-ring is placed arou Banding of an esophageal varix; A, varix; B, insertion of tube with O-ring; C, O-ring is placed arou
Layers of the Digestive Tract Wall Layers of the Digestive Tract Wall
Procedures for Diagnostic Tests Related to the Digestive System Procedures for Diagnostic Tests Related to the Digestive System
Koplik spots in the mouth of a patient with measles. Koplik spots in the mouth of a patient with measles.
Video: Introduction to Eating Disorders

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