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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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.
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
![Amniocentesis. In this examination procedure, amniotic fluid is aspirated with a syringe that is ins](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_29_11_9695143.jpeg)
![The paired-image subtraction technique, which is commonly employed in cognitive neuroscience. Here ...](https://biology-forums.com/gallery/30/medium_548020_05_06_17_10_54_05_302841809.png)