How tiny germs made the world as we know it According to Jonathan Kennedy, a teacher in global health, pathogens have played a bigger role in historical events than we give credit for. History's narrative arc is usually described as one of great men and superior civilisations, the world mere putty awaiting the hands of god. But what if it was pathogens – smallpox and malaria for example – that have really given conquering armies their competitive edge? Jonathan Kennedy argues that this is very much the case. From the fate of Neanderthals to the American Civil War, pathogens have played a major role in aiding one side against the other. Societies with no immunity to introduced diseases didn't have a hope. The most famous historical example is the Spanish conquest of the Mexica and Inka Empires. The population was brutally swathed by smallpox, allowing the Spanish victory with only a few hundred soldiers. The mosquito-borne virus yellow fever allowed immune Haitian rebels to win independence from Napoleon's France. French soldiers didn't stand a chance against the virus. Pathogenesis provides example after example of killer diseases changing the course of history. Kennedy even argues the Medieval plague helped kick start the capitalist revolution. By drastically reducing the number of farmers, it gave them more bargaining power and the incentive to maximise profits. Written in lively and engaging prose, and weaving in amusing literary allusions from Genesis to Tolkein, this is a compelling history that will appeal to readers of Sapiens and Guns, Germs and Steel. Pathogenesis, Jonathan Kennedy. Published by Random House. $35 Review by Chris Saliba A fascinating two thousand year history of fasting. For thousands of years, fasting was more religious practice than scientific endeavour. From antiquity to Christianity, people starved themselves in the hope of appeasing their gods. Some philosophers and divines took a more moderate approach, and saw fasting as generally good for mind, body and spirit. But overall fasting, especially under Christianity, was an extreme practice that served little good. Come the 19th century and fasting started to take on a more scientific aspect. It was proven that the body could endure fasting for much longer than was thought safe or prudent, and that it could in some strange way cure certain ills. There were some famous proselytisers, such as writer Upton Sinclair and bodybuilder and publisher of Physical Culture magazine, Bernarr Macfadden. But for all these steps forward, there were many steps back. Fasting is deeply counter-intuitive. Starving yourself to promote a healthy body defies common sense. The most logical way to cure illness is to seek out a doctor and take prescription drugs or undergo surgery. The medical fraternity was deeply hostile to fasting. It threatened a powerful interest group. Arriving in the 21st century, fasting has made a few leaps forward. There is a bit more science around what fasting does for the body, which is basic repair work, flushing out toxins and swapping out bad cells for good ones. When the body doesn't have to metabolise food, it can turn its attention to self-maintenance. While it won't cure all diseases, regular fasting might act as a good preventative. Studies show impressive benefits across a range of diseases. It could even be useful for combating mental illness, as several cases in the book demonstrate. The great tragedy of fasting's long history is its neglect by science. If much more rigorous scientific inquiry in fasting had taken place over the past century, we might have cures for a range of diseases, avoiding hospital stays and lifelong drug dependency. Steve Hendricks has written an engaging, lively, wide ranging history that should have broad appeal. The Oldest Cure in the World, by Steve Hendricks. Published by Abrams Press. $45 Review by Chris Saliba Why movement is not only good for our bodies, but for our brains as well. As we all know, our lives are too sedentary. The last century has brought us many labour saving devices – cars and washing machines – but there has been a detrimental effect. We are moving less and less. As Move! by Caroline Williams shows, this is even having an effect on our cognition. Exercise – whether it be walking, dancing or gardening – helps power up brain function. Sadly, research shows that IQ scores have been dropping over recent decades. Lazy limbs are leading to lazy minds. A book on the benefits of movement sounds like a guilt inducing trip urging us to quickly sign up for all year aquatic passes and gym memberships. That's not the aim here. What Move! shows, backed up by the latest science and interviews with experts in the field, is how important the simple, everyday movements are in life. Walking, jumping, doing housework, sitting straight and not slouching, or simply performing a few stretches. Did you even know that laughter is good for your core? The final chapter concentrates on a topic that may surprise many in a book about movement: breathing. Correct breathing should be evenly measured and done through the nose, not the mouth. There are many health benefits in this technique, as the nose filters air. Slowing down breathing to six breaths per minute can induce a state of meditative calm. Move! is a nifty little book that uses science to explore the mind-body connection and urges readers to not think of their brains and bodies as things in isolation, but as a fully integrated nervous system that requires thought and care. Move!: The New Science of Mind Over Body, by Caroline Williams. Published by Profile Trade. $22.99 Review by Chris Saliba An invitation to breathe your way to health, inner peace and happiness. Yolanda Barker is a film maker and yoga teacher. She had experienced persistent depression and decided to try yoga. While this helped, the dark feelings didn't entirely lift. Going deeper into her yoga practice, she decided to concentrate on breathing exercises. A mixture of research and talking to experts in the field helped Yolanda discover breathing techniques that suited her. Finally, relief. Yolanda was hooked on breathing. Everyone knows how to breathe, so why read a book on it? Apparently we don't breathe properly. We should breathe calmly, with correct posture and always through the nose. The nose filters toxins before entering the lungs. Moreover, breathing is a part of our body's functioning that we can actually control. Research shows that by controlling breathing we can change our mood. Our emotional state does not necessarily emanate from the mind, but from the nervous system. Measured, thoughtful breathing can reduce inner turmoil and bring equilibrium. The book is divided into a seven day program, which can really be read as seven aspects of breathing. Yolanda Barker mixes a good dose of science and physiology with practical steps to improve breathing. The Breathing Revolution is an easy to read guide that is a surprisingly calming experience in itself. Discover how mind and body are more closely intertwined than previously thought. The Breathing Revolution, by Yolanda Barker. Published by Green Tree. $24.99 Review by Chris Saliba A persuasive case is made for the power of positive thinking. David Robson is a British science writer. His first book, The Intelligence Trap, looked at how smart people can make poor decisions. In The Expectation Effect, Robson examines the science of how expectations can influence the way our bodies perform. In short, a healthy mind means a healthy body. And the science agrees. The book lists many extraordinary findings on health, fitness, anxiety, illness, learning and intellectual performance. There's even a fascinating chapter on food and diet, with research showing that appetite can be moderated with mere suggestion. For example, study participants who were told a meal was hearty and filling ate less. Obversely, participants who were told the same meal was fat free and low in calories ate more. Priming with words has an effect on how we eat and appreciate food. In other studies, research has shown that low expectations leads to poorer academic outcomes. Girls who internalise negative social cues about their abilities go on to trail behind boys who are naturally more confident. Studies have found that girls given positive messages can close the learning gap. Teachers who send subtle cues to their students that they lack confidence in their abilities unwittingly foster poorer performances. In education, a teacher simply looking for the best in their students can dramatically improve learning. While positive thinking can boost our health and fitness, the opposite can be deadly. A bizarre 1970s case of Laotian male immigrants suddenly dying in their sleep highlights the powerful effects of negative thinking, or what is now called the nocebo effect (the opposite of placebo). It is believed the Laotian immigrants, living in the US and far away from their home, feared the evil demon 'dab tsog' that roamed at night. Usually these men would have approached a local shaman to provide a protective spell against the demon, but that was no longer possible. Terror killed the Laotian men in their sleep. There are many other documented cases of what is known as Sudden Unexpected Nocturnal Death Syndrome (SUNDS). Highly readable popular science on the mind-body connection. It will convince you that maintaining an optimistic outlook is essential to well being. The Expectation Effect: How Your Mindset Can Change Your Life, by David Robson. Published by Canongate Trade. $32.99 Review by Chris Saliba A cautionary tale about power unchecked. From 1968 to 1995, Colin Manock was South Australia's chief forensic pathologist. During that time, he was there at every crime scene where an autopsy was required. His evidence helped secure some 400 criminal convictions. There was only one problem. A lot of his work as a pathologist was considered substandard. He was also lacking in qualifications, having no training in histopathology – the practice of taking tissue samples from various organs to discern more complex signs of disease or injury. In 1968, Manock had seen an advertisement for the director of pathology at South Australia's institute of Medical and Veterinary Science. The institute was eager to fill the position, and with no other promising candidates, Manock was accepted, with the hope that he would undertake further training. He didn't. Manock's English accent (he emigrated from the UK), self-possession and refusal to concede mistakes meant his evidence was often accepted without demur. But as his work has come to be reviewed over the years, deficiencies have become obvious. In the handful of cases author Drew Rooke examines in A Witness of Fact, many have spent decades in prison due in large part to questionable forensic work. Some have had their convictions entirely overturned. Drew Rooke has written a fascinating, easy-to-read biography of a strange, disturbing character. The middle sections concentrate on a number of cases and read like the best of true crime – enigmas to be solved. The book offers a cautionary tale about the dangers of giving too much power, unchecked, to one person. Clearly the work of forensic pathologists, as presented in A Witness of Fact, requires rigorous peer review before being used in courts of law. Once legal decisions have been made, lives can be ruined for decades. Or forever. Derek Bromley, who still protests his innocence of murder, has been behind bars for close to forty years. He could have walked free in the early 2000s if he'd admitted guilt, but maintains his innocence. He was convicted in large part on Manock's evidence, which has come under increasing scrutiny in the past two decades. Public interest journalism mixed with compelling true crime cases. A Witness of Fact: The Peculiar Case of Chief Forensic Pathologist Colin Manock, by Drew Rooke. Published by Scribe. $32.99 Review by Chris Saliba A fascinating look at how the mind affects the body. Doctor and psychiatrist Jeff Rediger has long been fascinated by the phenomenon known as spontaneous remission or healing, where patients with terminal diagnoses, mostly cancer, but including other diseases, suddenly find themselves healed. Spontaneous healing isn’t well researched in the medical literature; in fact, it’s very much sidelined. Doctors who want to be taken seriously don’t delve too deeply, if at all, into these well documented cases. Since 2003, Rediger has been on a quest to discover more about spontaneous healing, starting his search in Brazil, where various wellness retreats have had impressive results. It’s important to note that not everyone who embarks on a quest of self-healing is successful. Stick with your traditional medicine is the advice of this book. Nonetheless, the cases that are presented in Cured are extensively documented and prove that people have beaten their terminal diagnoses with alternative therapies. (That is, if you believe the alternative therapies worked and weren’t some unexplained spook of nature.) Modern medicine, Cured argues, is pretty much a blunt instrument. If you pick up a bug, then bomb the body with antibiotics, even though a lot of good bacteria will get killed in the process. Rediger argues that human health is far more complex and nuanced than that, with a lot of different interlocking factors at work. He wonders why doctors don’t ask patients about their personal histories, looking for clues to poor health. Stress, loneliness, poor diet all wear down the immune system, making us susceptible to disease. People can carry around stress for years, thinking they are living normal lives, but really harboring ticking time bombs. Even a poor self-image can keep the body in a constant state of stress, not allowing it time to do the repair work it needs. All of this is backed up with cutting edge science, research and compelling personal stories. The message of Cured is fairly simple: eat right, relax and put yourself first. If you are in a loving relationship, that’s good too, and failing that, maintain friendships and be a part of your community. Alienation, stress, anxiety, poor self-worth, bad diet, all keep the body in a permanent state of defense, wearing down immunity to disease. Commonsense advice backed up with scientific research. Cured: The Power of Our Immune System and the Mind-Body Connection, by Jeff Rediger. Penguin Life. $26.99 Review by Chris Saliba An evolutionary biologist looks at the future of sex. According to evolutionary biologist Rob Brooks, the future holds an abundance of artificial intimacy. New sex technologies, from sex robots to virtual reality porn, will anticipate our every desire. So clever will the algorithms mining our personal data be that they will predict our every need. Dating apps will cut out the time wasted swiping and scrolling, express matching us with life partners we never knew we were meant for. Even further, machines could learn fantasies we never knew we had. If all this sounds daunting, Brooks does weigh the possible negatives. Too much time spent enjoying ArtInt (artificial intimacies) could take time away from real-life relationships. Behemoth tech companies knowing your most private desires wouldn’t be able to resist the financial opportunities. But on balance, Brooks believes, the good will outweigh the bad: the lonely and sex starved will get some relief, and society will benefit from a more contented population. From primatology to today’s incel culture of sexually frustrated young men, Artificial Intimacy takes an historical survey of human sexuality, employing the disciplines of economics, psychology and evolutionary science. Witty, accessible, always fascinating but surely contentious, this is popular science that will appeal to readers of Yuval Noah Harari's Sapiens. Artificial Intimacy: Virtual Friends, Digital Lovers and Algorithmic Matchmakers, by Rob Brooks. Published by New South. $32.99 Review by Chris Saliba. First published at Books + Publishing A genius book that explains big problems and concepts in an easy to grasp manner. Do you read lots of books and articles about climate change but still find you have only a foggy idea of what it all really means? If so, How to Avoid a Climate Disaster will set you on the right path. Bill Gates brings his considerable analytic skills to the planet's biggest and most complicated challenge, translating it into an accessible explainer. All those facts and figures, graphs and computer models, are boiled down to two simple numbers, 51 and zero. Currently we put 51 tonnes of carbon into the atmosphere per year. That figure needs to be brought down to zero. Otherwise the planet's temperature will undoubtedly continue to rise. Babies born today, without effective action, will experience a planet eight degrees hotter than today in their old age. This task will not be easy. Our economy, dependent on cheap fossil fuels, has been baked in over centuries. To change the world's power grid to renewables will take decades, not years. Emissions from agriculture pose a special problem, as people's diets are cultural and difficult to change. In a world where millions of people need to be lifted out of poverty, more pressure will be put on global emissions, as poor countries improve their standard of living, consuming more energy and meat. The solution, according to Gates, is a mixture of technology, business and government. Governments can legislate to price carbon, creating a more level playing field. Technology, especially the riskier research and development, when backed with government money, can produce winners that business can capitalise on and improve. Avoiding a climate disaster will be a huge task, not fixed by merely buying electric bulbs and purchasing an electric car, although all this helps. It will involve huge technological change, government commitment and global co-ordination. Perhaps some changes in our behaviour. To not do anything seems impossible. Leaving today's children with a planet eight degrees hotter – with the chaos and destruction that will cause – can't be an option. How to Avoid a Climate Disaster: The Solutions We Have and the Breakthroughs We Need, by Bill Gates. Published by Allen Lane. $39.99 Review by Chris Saliba What to do when that punishing inner voice takes over? When Ethan Kross received a threatening letter, he went into meltdown. For three days the voices in his head incessantly replayed one horrifying scenario after another. He couldn’t stop the chatter in his head, which was ironic, as he is an expert on emotion and self-control. The letter had come after a television appearance, causing Kross to chastise himself for putting his family and himself at risk. Then Kross stumbled across something quite by accident. Instead of his internal monologue repeating “I” all the time, he started to use his own name, Ethan. By addressing himself in a more formal way his anxious inner voice was calmed. Distance and perspective were created, putting a stressful situation into a more rational context. Put simply, this is the case that Chatter makes. We allow our inner voice to obsess us and run rampant; we get into a loop of negative thoughts, and when we share our concerns with friends and sympathisers, this doesn’t help either, only reinforcing the bad feelings. The best way to tame the voices in our head is to try and create distance and put things in perspective. When we think about our problems and worry about our standing in the world, or how the world perceives us, it’s best to look at the big picture. Chatter uses a lot of science to prove its point. Interestingly, using your own name when ruminating on negative thoughts has been proven in laboratory settings to make subjects feel better and calmer. The book offers other techniques and suggestions: keeping busy, sticking to routines and ensuring an orderly environment are methods of calming runaway inner voices. All this sounds very promising, in theory, but how effective these tools are in practice could be another matter for many people. When the mind is in a fully blown panic, it can take days to calm down. Nevertheless, Chatter offers a concise explanation of the psychology of the inner voice. Such self-awareness coupled with the tools he provides could help some troubled souls. Science we’ve been over before, but worth a look in. Chatter: The Voice in our Head and How to Harness It, by Ethan Kross. Published by Vermilion. $35 Review by Chris Saliba |
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