1 One drug, TGN1412, was tested on animals and in humans. 2  All the human patients suffered life-threatening side-effects which didn't appear in animals. 3  Not all drugs are used for the original purpose they were designed for. 4  Animal testing can't show all the potential uses of a drug.erhaps the law could be changed so that animal testing was optional, rather than compulsory. Scientists could decide not to test drugs on animals if they knew that it was safe to do so. We would need alternatives to animal testing, which could safely test drugs without harmful consequences for humans.
The feeling of itching urges one to scratch the site which causes more irritation and itching. Thus it goes as a cyclic reaction making one to itch more vigorously. Itchy legs can cause common symptoms like irritation of the skin in the legs, redness, pain and formation of red lesions on the legs. In severe case it may cause bleeding of skin due to repeated scratching. Itching can cause pain and discomfort feeling.
Drying the feet thoroughly and using a quality foot powder can also help prevent athlete's foot. Jock Itch. Jock itch, also called tinea cruris, is a common skin infection that is caused by a type of fungus called tinea. The fungus thrives in warm, moist areas of the body and as a result, infection can affect the genitals, inner thighs, and buttocks.