|
|
Thyroid conditions may make getting pregnant impossible.
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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).
![The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.](https://biology-forums.com/gallery/47/medium_33_29_07_11_7_45_50.jpeg)
![Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra](https://biology-forums.com/gallery/47/medium_14755_27_08_12_12_14_19_81821620.jpeg)
![The Power and Control Wheels of Abusive Relationships When one person in a relationship repeatedly ...](https://biology-forums.com/gallery/47/medium_660365_25_12_16_12_57_52_2440489.jpeg)