In 2017, author Shanna Swan and her team of researchers completed a major study. They found that over the past four decades, sperm levels among men in Western countries have dropped by more than 50 percent. They came to this conclusion after examining 185 studies involving close to 45,000 healthy men. The result sent shockwaves around the globe - but the story didn’t end there.

Are you over 50 and realizing the need to regain your health and vitality? Or in your 30s and 40s and have a desire to head into your 50s with an optimal level of health? Look no further than Kicking Ass After 50, the ultimate guide to staying healthy and fit as you age.

The TOT Bible is jam-packed with cutting-edge, evidence-based information that incorporates the latest medical advancements and experience-based knowledge of the top progressive physicians and is the only reference for optimizing testosterone levels and male hormonal health!

We all know the dangers of sugar and salt: but the danger attributed to the second white crystal has more to do with getting too little of it, not too much. Too little salt can shift the body into semi-starvation mode, causing insulin resistance, and may even cause twice as much fat to be absorbed for every gram that's consumed. Too little salt in certain populations can also actually increase blood pressure as well as resting heart rate.

This updated and expanded edition of Dr. Berry’s best seller Lies My Doctor Told Me exposes the truth behind all kinds of “lies” told by well-meaning but misinformed medical practitioners. Nutritional therapy is often overlooked in medical school, and the information provided to physicians is often outdated. However, the negative consequences on your health remain the same. Advice to avoid healthy fats and stay out of the sun has been proven to be detrimental to longevity and can wreak havoc on your system.

From an acclaimed Harvard professor and one of Time’s most influential people, this paradigm-shifting audiobook shows how almost everything we think we know about aging is wrong, offers a front-row seat to the amazing global effort to slow, stop, and reverse aging, and calls listeners to consider a future where aging can be treated.

In Death by Food Pyramid, Denise Minger exposes the forces that overrode common sense and solid science to launch a pyramid phenomenon that bled far beyond US borders to taint the eating habits of the entire developed world. Minger explores how generations of flawed pyramids and plates endure as part of the national consciousness, and how the "one size fits all" diet mentality these icons convey pushes us deeper into the throes of obesity and disease.

Worry about cholesterol. Avoid red meat. Eat whole grains. Could it all be a lie? We live in an era of health hype and nutrition propaganda, and we are suffering for it. Decades of avoiding egg yolks, choosing margarine over butter, and replacing the real foods of our ancestors with low-fat, processed, packaged substitutes have left us with an obesity epidemic, ever-rising rates of chronic disease, and, above all, total confusion about what to eat and why.

Lurking in our homes, hiding in our offices, and polluting the air we breathe is something sinister. Something we’ve turned a blind eye to for far too long. Dr. Leonardo Trasande, a pediatrician, professor, and world-renowned researcher, tells the story of how our everyday surroundings are making us sicker, fatter, and poorer. Through a blend of narrative, scientific detective work, and concrete information about the connections between chemicals and disease, he reveals what we can do to protect ourselves and our families in the short-term, and how we can help bring the change we deserve.

The vast majority of premature deaths can be prevented through simple changes in diet and lifestyle. In How Not to Die, Dr. Michael Greger, the internationally-renowned nutrition expert, physician, and founder of NutritionFacts.org, examines the fifteen top causes of premature death in America-heart disease, various cancers, diabetes, Parkinson's, high blood pressure, and more-and explains how nutritional and lifestyle interventions can sometimes trump prescription pills and other pharmaceutical and surgical approaches, freeing us to live healthier lives.

Bill Bryson once again proves himself to be an incomparable companion as he guides us through the human body - how it functions, its remarkable ability to heal itself, and (unfortunately) the ways it can fail. Full of extraordinary facts (your body made a million red blood cells since you started reading this) and irresistible Bryson-esque anecdotes, The Body will lead you to a deeper understanding of the miracle that is life in general and you in particular. As Bill Bryson writes, "We pass our existence within this wobble of flesh and yet take it almost entirely for granted."

In 1518, in a small town in Alsace, Frau Troffea began dancing and didn't stop. She danced until she was carried away six days later, and soon 34 more villagers joined her. Then more. In a month more than 400 people had been stricken by the mysterious dancing plague. In late-19th-century England an eccentric gentleman founded the No Nose Club in his gracious townhome - a social club for those who had lost their noses, and other body parts, to the plague of syphilis for which there was then no cure.

In The China Study, T. Colin Campbell revolutionized the way we think about our food with the evidence that a whole food, plant-based diet is the healthiest way to eat. Now, in Whole, he explains the science behind that evidence, the ways our current scientific paradigm ignores the fascinating complexity of the human body, and why, if we have such overwhelming evidence that everything we think we know about nutrition is wrong, our eating habits haven’t changed.

Debilitating brain disorders are on the rise - from children diagnosed with autism and ADHD to adults developing dementia at younger ages than ever before. But a medical revolution is underway that can solve this problem: Astonishing new research is revealing that the health of your brain is, to an extraordinary degree, dictated by the state of your microbiome - the vast population of organisms that live in your body and outnumber your own cells 10 to one.

Physician and biochemist Cate Shanahan, MD, examined diets around the world known to help people live longer, healthier lives - diets like the Mediterranean, Okinawa, and Blue Zone - and identified the four common nutritional habits, developed over millennia, that unfailingly produce strong, healthy, intelligent children and active, vital elders generation after generation. These four nutritional strategies - fresh food, fermented and sprouted foods, meat cooked on the bone, and organ meats - form the basis of the Human Diet.

Lurking in our homes, hiding in our offices, and polluting the air we breathe is something sinister. Something we’ve turned a blind eye to for far too long. Dr. Leonardo Trasande, a pediatrician, professor, and world-renowned researcher, tells the story of how our everyday surroundings are making us sicker, fatter, and poorer. Through a blend of narrative, scientific detective work, and concrete information about the connections between chemicals and disease, he reveals what we can do to protect ourselves and our families in the short-term, and how we can help bring the change we deserve.

A nutritional whodunit that takes readers from Greenland to Africa to Israel, The Queen of Fats gives a fascinating account of how we have become deficient in a nutrient that is essential for good health: the fatty acids know as omega-3s.

Advice about food can be confusing. There's usually only one thing experts can agree on: some ingredients - often the most enjoyable ones - are bad for you, full stop. But as Aaron Carroll explains, these oversimplifications are both wrong and dangerous: if we stop consuming some of our most demonized ingredients altogether, it may actually hurt us.

One out of three women alive today, and one out of two men, will face a cancer diagnosis, according to the World Health Organization. Ty Bollinger takes this personally: in the course of a decade, he says, "I lost my entire family to cancer. I don't believe I had to lose them." The Truth about Cancer has been written for one simple reason: to share the knowledge we need to protect ourselves, treat ourselves, and in some cases save our lives or the lives of those we love.

Interesting anecdotes and engaging tales make science fun, meaningful, and accessible. Separating sense from nonsense and fact from myth, these essays cover everything from the ups of helium to the downs of drain cleaners and provide answers to numerous mysteries, such as why bug juice is used to color ice cream and how spies used secret inks. Mercury in teeth, arsenic in water, lead in the environment, and aspartame in food are discussed.

New Yorker staff writer Michael Specter has twice won the Global Health Council’s Excellence in Media Award, as well as the Science Journalism Award from the American Association for the Advancement of Science. In Denialism, he fervently argues that people are turning away from new technologies and engaging in a kind of magical thinking that is hindering scientific progress.

When the woman he loved was diagnosed with a metastatic cancer, science writer George Johnson embarked on a journey to learn everything he could about the disease and the people who dedicate their lives to understanding and combating it. What he discovered is a revolution under way - an explosion of new ideas about what cancer really is and where it comes from. In a provocative and intellectually vibrant exploration, he takes us on an adventure through the history and recent advances of cancer research that will challenge everything you thought you knew about the disease.

In Missing Microbes, Dr. Martin J. Blaser invites us into the wilds of the human microbiome, where for hundreds of thousands of years bacterial and human cells have existed in a peaceful symbiosis that is responsible for the health and equilibrium of our body. Now this invisible eden is being irrevocably damaged by some of our most revered medical advances-antibiotics-threatening the extinction of our irreplaceable microbes with terrible health consequences.

If you've ever struggled with losing weight and keeping it off, I don't have to tell you it's a challenge. You already know. What if losing weight could be as easy as flipping a switch? I know that sounds incredible. But now there's an abundance of research telling us that may be possible. In his new book, The Fat Switch, Dr. Richard J. Johnson, presents news-breaking, science-based studies that will reverse current thinking on both the cause and treatment of obesity.

Robyn O'Brien is not the most likely candidate for an anti-establishment crusade. A Houston native from a conservative family, this MBA and married mother of four was not someone who gave much thought to misguided government agencies and chemicals in our food - until the day her youngest daughter had a violent allergic reaction to eggs, and everything changed.

Should you cook with coconut oil or vegetable oil? Eat butter, cream, or olive oil? Supplement with fish oil or flax oil? Sometimes it seems as if everyone has a different opinion on these crucial questions - but this audiobook holds real answers. Best-selling author and teacher Dr. Joseph Mercola teams up with cardiovascular expert Dr. James DiNicolantonio to cut through the confusion about how dietary fats affect our bodies and set the record straight on how to eat for optimal well-being.

Recent years have seen a shocking increase in antidepressant use the world over, with one in four women starting her day with medication. These drugs have steadily become the panacea for everything from grief, irritability, and panic attacks to insomnia, PMS, and stress. But the truth is, what women really need can't be found at a pharmacy.

Are you a woman between 35 and 50 experiencing PMS, migraine headaches, sudden weight gain, fatigue, irritability, tender or lumpy breasts, memory loss, fibroids, or cold hands and feet? If so, you may be experiencing symptoms of premenopause. Even if you're a decade or more away from menopause, your hormones may already be out of balance, usually caused by an excess of estrogen and a deficiency of progesterone, say the authors of What Your Doctor May Not Tell You About Pre-Menopause.

An Epidemic of Absence asks what will happen in developing countries, which, as they become more affluent, have already seen an uptick in allergic disease: Will India end up more allergic than Europe? Velasquez-Manoff also details a controversial underground movement that has coalesced around the treatment of immune-mediated disorders with parasites. Against much of his better judgment, he joins these do-it-yourselfers and reports his surprising results.

Why are conditions like autism, asthma, obesity, and allergies exploding at unprecedented rates? Why are we living longer, getting smarter, having far fewer kids? If Darwin were alive today, how would he explain this new world?

Are you over 50 and realizing the need to regain your health and vitality? Or in your 30s and 40s and have a desire to head into your 50s with an optimal level of health? Look no further than Kicking Ass After 50, the ultimate guide to staying healthy and fit as you age.

Better sex. Increased vitality. More muscle. Improved health. Greater mental agility. These are just a few of the life-enhancing benefits that men with low levels of testosterone can experience when they increase their testosterone levels. If you've noticed a decrease in your sex drive, experienced erectile dysfunction, or felt tired, depressed, and unmotivated, this authoritative, up-to-date guide from an expert at Harvard Medical School will help you determine if you have low testosterone - a surprisingly common but frequently undiagnosed condition among middle-aged men.

Worry about cholesterol. Avoid red meat. Eat whole grains. Could it all be a lie? We live in an era of health hype and nutrition propaganda, and we are suffering for it. Decades of avoiding egg yolks, choosing margarine over butter, and replacing the real foods of our ancestors with low-fat, processed, packaged substitutes have left us with an obesity epidemic, ever-rising rates of chronic disease, and, above all, total confusion about what to eat and why.

The TOT Bible is jam-packed with cutting-edge, evidence-based information that incorporates the latest medical advancements and experience-based knowledge of the top progressive physicians and is the only reference for optimizing testosterone levels and male hormonal health!

We all know the dangers of sugar and salt: but the danger attributed to the second white crystal has more to do with getting too little of it, not too much. Too little salt can shift the body into semi-starvation mode, causing insulin resistance, and may even cause twice as much fat to be absorbed for every gram that's consumed. Too little salt in certain populations can also actually increase blood pressure as well as resting heart rate.

Heart disease is the number-one killer. However, traditional heart disease protocols - with their emphasis on lowering cholesterol - have it all wrong. Emerging science is showing that cholesterol levels are a poor predictor of heart disease and that standard prescriptions for lowering it, such as ineffective low-fat/high-carb diets and serious, side-effect-causing statin drugs, obscure the real causes of heart disease. The Great Cholesterol Myth reveals the real culprits of heart disease.

In Death by Food Pyramid, Denise Minger exposes the forces that overrode common sense and solid science to launch a pyramid phenomenon that bled far beyond US borders to taint the eating habits of the entire developed world. Minger explores how generations of flawed pyramids and plates endure as part of the national consciousness, and how the "one size fits all" diet mentality these icons convey pushes us deeper into the throes of obesity and disease.

Chronic disease is shortening our lifespan, destroying our quality of life, bankrupting governments, and threatening the health of future generations. Sadly, conventional medicine, with its focus on managing symptoms, has failed to address this challenge. The result is burned-out physicians, a sicker population, and a broken healthcare system. In Unconventional Medicine, Chris Kresser presents a plan to reverse this dangerous trend.

For decades we have been taught that fat is bad for us, carbohydrates better, and that the key to a healthy weight is eating less and exercising more. Yet despite this advice, we have seen unprecedented epidemics of obesity and diabetes. Taubes argues that the problem lies in refined carbohydrates, like white flour, easily digested starches, and sugars, and that the key to good health is the kind of calories we take in, not the number.

In this revolutionary weight-loss program informed by more than 1,200 scientific studies, fitness and diet expert Jonathan Bailor offers concrete evidence that the calorie-counting model of weight loss doesn't work. In fact, cutting-edge science supports a radically different approach to weight loss and health, proving that by focusing on food and exercise quality - rather than calorie quantity - you can burn fat and boost health more easily and enjoyably that you ever thought possible.