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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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Blood is approximately twice as thick as water because of the cells and other components found in it.

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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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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).

X-ray showing oblique fracture of the humerus. X-ray showing oblique fracture of the humerus.
Inferior oblique Inferior oblique
Detecting Emotions in Facial Expressions Detecting Emotions in Facial Expressions
The Food Label Provides Valuable Consumer Information Manufacturers must adhere to strict labeling The Food Label Provides Valuable Consumer Information Manufacturers must adhere to strict labeling
Fracture and Repair of Bone - Impacted Fracture and Repair of Bone - Impacted
Detecting a deletion in the CFTR gene by ASO testing Detecting a deletion in the CFTR gene by ASO testing
Video: The primary factors that affect circulation - MABP, CO and SVR

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