“Lifespan: The author of “How We Age: Why We Age, and Why We Don’t Have To” is Dr. David Sinclair, an Australian biologist and a Harvard Medical School professor of genetics. The book was released on September 10th, 2019 and currently the hardcover version is being promoted. The book is one of the kind which overturns the conventional methods of thinking of the older generation and proves that it is unnecessary to age. The author Sinclair maintains that aging is an illness and that we have a right to select our longevity.