In the past, people had a much lower life expectancy than today's. The technology has changed and can offer many benefits, especially for questions in relation to health.
Medical research has evolved to the point where they found other specils with charecteristics similiar ton humans also, the people eating much better, the hygiene is better. All this provides a much longer expectancy of life.
->What is medical research that uses animals?
Animals are fully compatible with humans, and also helphuman to study the difference between us.
->How do scientists decide to use animals in medical research?
The scientists take quite considerations before studying animals. It's planned carefully. They take care of health of both men and animals without considerating which one is more important. The animals have to be tortured the least possible.
->How are animals protected?
The scientists use this and other information to answer several important thoughts, as to provide a suitable place for animals. The cages can not be very small. They have to be one good place for the animal also, the temperature can not be too coldand too cold, the food depends largelly on the animal, but it is always good to have enough protein and carbohydrates. To do it well, you need to study quite a characteristics of each anial. And finally, whey they are in a natural habitat, they live together, so it is important to take care for coexistence with others.
->Who do medical research with animals?
Animals are vertebrates and are like humans. They help a lot in future treatments to improve human health . Animals are more reliable than the computers. Even with all this, reseacrchers can not predict how and when exactly any change will happen.
