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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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Asthma cases in Americans are about 75% higher today than they were in 1980.

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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus
Vaccine Information Sheet (VIS) provided by the CDC for the varicella vaccination. Vaccine Information Sheet (VIS) provided by the CDC for the varicella vaccination.
a) Standard PCR machine used for genotyping and (b) agarose gel to detect DNA fragments. a) Standard PCR machine used for genotyping and (b) agarose gel to detect DNA fragments.
How to find the average value of a function (Part 2) How to find the average value of a function (Part 2)
Cereal-box readers will read the information on the box as many as 12 times Cereal-box readers will read the information on the box as many as 12 times
Flail chest (Part 2) Flail chest (Part 2)
Video: Supine Position

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