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Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Thyroid conditions may make getting pregnant impossible.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Overview of a computer-controlled high-pressure common rail V-8 diesel engine. Overview of a computer-controlled high-pressure common rail V-8 diesel engine.
(a) The phagocytic process, beginning in the upper left with bacterial attachment and phagocytic ... (a) The phagocytic process, beginning in the upper left with bacterial attachment and phagocytic ...
Time course of HIV infection. Time course of HIV infection.
Time course of HIV infection. Time course of HIV infection.
Knead the upper trapezius with one or two hands. Lift, squeeze, and release the soft tissues in a ... Knead the upper trapezius with one or two hands. Lift, squeeze, and release the soft tissues in a ...
Respiratory response to increased activity levels Respiratory response to increased activity levels
Video: Haustral churning, Gastrocolic reflex and mass peristalsis & Defecation

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