Lifespan: Why We Age and Why We Dont Have To

Lifespan: Why We Age and Why We Dont Have To is written by Dr. David Sinclair, described as a Harvard Medical School doctor and named by TIME magazine as one of the 100 most influential people on earth. Challenging established ideas about ageing, he suggests that what is often treated as unavoidable may be understood in a different way, and examines why medicine has traditionally concentrated on age-related conditions rather than “old age” itself.

The book sets out Dr. Sinclair’s theory of ageing, centred on a genetic survival circuit described as an ancient mechanism connected to genome repair. It explains how genetic damage can accumulate over time, including from UV rays, environmental toxins and unhealthy diets, and how this may contribute to visible and physical changes and, ultimately, death. It also explores the epigenome and presents a roadmap described as scientifically proven to reverse the genetic clock by activating “vitality genes”.

Key details

• Author: Dr. David Sinclair
• Described as a Harvard Medical School doctor
• Named by TIME magazine as one of the 100 most influential people on earth
• Examines genetics, ageing and longevity
• Discusses the epigenome and a genetic survival circuit linked to genome repair

Synopsis

Lifespan: Why We Age and Why We Dont Have To argues that ageing may be approached as a disease and explores the idea that it could be curable. It proposes a root cause in an ancient genetic survival circuit and describes how genetic damage may build up across a lifetime.

Drawing on Dr. Sinclair’s research, it outlines methods described as scientifically proven to reverse the genetic clock by activating “vitality genes”. It also considers potential lifestyle changes, including intermittent fasting, limiting sugar, avoiding too much animal protein, avoiding x-rays, exercising with the right intensity and trying cold therapy, before looking ahead to what may need to change if people commonly live to 120 or more.