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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Pupil assessment; A, starting position, with penlight to side of pupil; Pupil assessment; A, starting position, with penlight to side of pupil;
The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve The approval of a new drug is a four-stage process: (1) preclinical investigation, (2) clinical inve
Surgical needle shapes: (A) taper point; (B) cutting point. Surgical needle shapes: (A) taper point; (B) cutting point.
Ischemic compression (i.e., direct pressure) to a trigger point in the trapezius muscle. Ischemic compression (i.e., direct pressure) to a trigger point in the trapezius muscle.
Set-Point Theory Set-Point Theory
A spherical water tank with an inner radius of 4 m has its lowest point 3 m ... A spherical water tank with an inner radius of 4 m has its lowest point 3 m ...
Video: Introduction to Heart Attacks

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