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Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).
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.
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
![(a) In a healthy eye, aqueous humor is formed in the ciliary process and drains through the canal of ...](https://biology-forums.com/gallery/28/medium_482573_29_04_17_8_18_08_288612197.jpeg)
![Ileal conduit. A segment of ileum is separated from the small intestine and formed into a tubular ...](https://biology-forums.com/gallery/30/medium_548020_08_06_17_6_47_43_30594108.jpeg)