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Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

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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.

Donor DNA is transferred as a single strand Donor DNA is transferred as a single strand
Lumbar puncture. Abbreviated LP, the lumbar puncture is a common procedure that withdraws cerebrospi Lumbar puncture. Abbreviated LP, the lumbar puncture is a common procedure that withdraws cerebrospi
Subsections within the surgery section. Subsections within the surgery section.
A single overhead camshaft engine with a timing belt that also rotates the water pump. A single overhead camshaft engine with a timing belt that also rotates the water pump.
Some column-mounted ignition switches act directly on the contact points, whereas others use a link ... Some column-mounted ignition switches act directly on the contact points, whereas others use a link ...
The yellow, blue, and green sections of the Emergency Response Guidebook (ERG). The yellow section ... The yellow, blue, and green sections of the Emergency Response Guidebook (ERG). The yellow section ...
Video: Structures that affect circulation - heart and systolic/diastolic BP

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