Animal Testing

ANIMAL TESTING
Many animals are used in scientific and medical research. They often undergo cruel methods of testing and suffer greatly as a result. Animal experimentation is both cruel andunnecessary and humans have no right to put innocent animals through such torture. Scientists often don't benefit from testing on animals as they are so different from us and react differently to drugs.Results obtained from experimenting on animals are unreliable.
There are a lot of cases that are a good example of how humans and animals biology is not sufficiently similar for experimentation to getuseful results. For example: morphine calms humans but excites cats, cortisone causes birth defects in mice but not in humans, penicillin kills guiniea pigs and hamsters and aspirin poisons cats. If theresults of tests on animals had been relied upon we would not have penicillin or digitalis (a drug used by heart patients but which was withheld for a long time because it was found to raise theblood pressure of dogs). We would also be without chloroform (once a common anaesthetic but not used initially because it was toxic to dogs) and aspirin (which causes foetal deformities in rats and istoxic to certain animals). Certain steroids, adrenaline, insulin and some antibiotics are also toxic to many animals but medically beneficial to humans.
On 25th February 1993, it was reported thatusing rats for cancer research may be pointless. The gene repair systems of rats, it has makes them unusually susceptible to cancer and while it was once thought that their responses parallelled our own,it now appears that there are significant differences in 'the way humans and rodents repair genes damaged by chemicals, radiation, or other agents that mutate DNA.

There are companies andorganizations that fight in order to protect animals from being tested and experimented on like the animal rights resource organization.
Companies that test on animals:
Clorox, Colgate-Palmolive Co,...