For many years, science have grown tremendously to the extent of discovering everything, from the smallest to the biggest factors of life. Although science itself have not found the initial source of life, it nevertheless discovered facts about life that people thousands of years ago have never imagined. Phenomenal breakthroughs have enabled man to produce products that increase a person's lifespan. But by looking at it, science itself it the main reason why we have the need to increase our lifespan, because they are the reason why in the first life expectancy deceased. By modern technology, cars and factories producing pollutants caused multiple diseases that decreases a person's life. To answer this, man developed the so called Preimplantation Genetic Diagnostic or commonly known as PGD.
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