Did you know?
There are more bacteria in your mouth than there are people in the world.
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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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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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People about to have surgery must tell their health care providers about all supplements they take.
Selected Estrogens and Progestins
Selected Members of the Classes of Neurotransmitters
Indications for Selected Calcium Salts
Water Solubility of Selected Chemicals
Popular Methods of Conducting Social Science Research
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