Eat Less, Live Longer: Your Practical Guide to Calorie Restriction with Optimal Nutrition

During my third year of medical school I stumbled upon an online article about calorie restriction with optimal nutrition. I read about an apparently simple diet intervention that prolonged the average and maximum lifespan of laboratory animals such as yeast, fruit flies, worms and mice. At that time, I wasn’t aware that such experiments were already done on non-human primates too.

Honestly, I dismissed it as a curiosity, an intervention that could have some effect in simple organisms such as fruit flies, but something which would never work in complex beings like us. It just seemed too good to be true.

Time passed and proved me wrong. Given an early childhood fascination with the limits of life extension, I studied engineering and medicine in an attempt to radically prolong human lifespan. After a short stint of research in neural prosthetics in a German lab, I realized implanting artificial devices into the human body is not a long-term solution.

I returned home where I started the medical residency in geriatrics, the branch of medicine specialized in age-associated diseases. A funny thing happened then. Reading about theories of aging is one thing. Daily caring for people 3-4 times your age is a completely different thing and I started to connect the dots.

I noticed some people aged like wine and others aged like vinegar. According to their skinny frames and detailed lifetime stories, it looked like calorie intake had something to do with it. That’s how I got started in typing the first words for this book.

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The Aging Gap Between Species – a Popularizing Science Book on Comparative Gerontology

Aging is a puzzle to solve. This process is traditionally studied in a couple of biological models like fruit flies, worms and mice. What all these species have in common is their fast aging. This is excellent for lab budgets. It is a great short-term strategy. Who has time to study species that live for decades? But lifespan differences among species are magnitudes of order larger than any lifespan variation achieved in the lab. This is the reason for which I studied countless information resources in an attempt to gather highly specialized research into one easy-to-follow book. I wanted to see the forest among the trees. I wanted to expose the aging gap between species in an easy-to-follow and logical sequence. This book is my attempt at doing just that. What are the mechanisms underlying the aging gap between species? I intentionally chose to write the answer to this question in plain English. Aging research is too important to hide it behind the closed doors of formal scientific jargon. This book could not have existed if green tea, libraries and the Internet were not invented. The amount of data I had to browse in order to keep the essential patterns is huge. Yet this book is not exhaustive. This is not a dry academic textbook. I tried to instill life in a topic that is hugely important for the extension of human lifespan. Only you can decide if I achieved this.

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