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Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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Thyroid conditions may make getting pregnant impossible.

The shoot apical meristem and stem cells. The shoot apical meristem and stem cells.
How plant cells take up and transform nitrate How plant cells take up and transform nitrate
Communication by direct contact between cells. Communication by direct contact between cells.
Two main types of nerve cells. Two main types of nerve cells.
Write in vertex form by completing the square Write in vertex form by completing the square
Ragged-red fibers in skeletal muscle cells Ragged-red fibers in skeletal muscle cells
Video: Dissociative Disorders (Part 3)

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