Monday 16 April 2012

Animal Testing


The use of non-humans for testing of various products is known as animal testing. People for the Ethical Treatment of Animals (PETA), is a group that believes that animal tests are not only extremely cruel but also pointless. According to them, they are completely inaccurate because of the vast physiological variations between species. They believe that animal studies teach us nothing about the health of humans because human reactions to illnesses and medications are completely different from the reactions of other animals. Other species absorb, metabolize and eliminate substances differently than humans do. They believe that testing on animals is just plain bad science which harms humans and other animals alike. 

Even though no law in any country requires cosmetics or personal-care products to be tested on animals, many companies around the world choose to subject animals to painful. Two of the most common animal tests conducted to this day are eye irritancy and lethal dose tests by several cosmetics companies such as Pantene, Sunsilk, Dove etc.

In eye irritancy tests, chemicals are dripped into the eyes of albino rabbits, who have no tear ducts, which makes them unable to cry to wash away the toxic chemicals. After placing the chemicals in the rabbits' eyes, laboratory technicians record the damage to the eye. Often, the rabbits receive no anaesthesia during the tests. Many rabbits break their backs as they struggle to escape the pain.

In acute toxicity tests, increasing amounts of detergent, eyeshadow and other products are force-fed to rats, mice, rabbits, guinea pigs and other animals until a certain percentage of them are poisoned to death. The infamous Lethal Dose50 (LD50) test is the most common form of animal-poisoning study. It is used to determine what concentration of a substance is needed to kill 50 per cent of a group of animals. A study found that these tests were able to predict toxicity in humans with only 65 per cent accuracy.

There are several humane alternatives to animal testing:
      1.      Instead of measuring how long it takes a chemical to burn away the cornea of a rabbit's eye, manufacturers can now drop that chemical onto donated human corneas.
      2.      Human skin cultures can also be grown and ordered for irritancy testing.
      3.      In addition, companies can use computer and mathematical models.
      4.      They can also choose to use ingredients and chemicals which have already been proved to be harmless and are known to be safe.
 
      Source: www.petaindia.com


1 comment:

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