Antihistamines lessen the symptoms of hay fever and other seasonal allergies in a majority of people, though they donât usually relieve symptoms entirely. And some people get more relief than others. The drugs can also become less effective with long-term use.
Biotechnology definition, the use of living organisms or other biological systems in the manufacture of drugs or other products or for environmental management, as in waste recycling: includes the use of bioreactors in manufacturing, microorganisms to degrade oil slicks or organic waste, genetically engineered bacteria to produce human hormones, and monoclonal antibodies to identify antigens.
Biotechnology isn't something new-selective breeding to create more useful varieties of animals and plants is a form of biotechnology that human beings have used for thousands of years. Biotechnology includes any use of science or technology to alter the characteristics of a particular breed or animal.iotechnology can be good or bad for animals-and it may also produce an answer to the ethical problems of experimenting on animals. Transgenic animals raise a particularly difficult problem.