An apple a day: the myths, misconceptions, and truths about by Joseph Schwarcz

By Joseph Schwarcz

Devour salmon. It’s choked with stable omega-3 fat. Don’t consume salmon. It’s choked with PCBs and mercury. consume extra greens. They’re filled with reliable antioxidants. Don’t consume extra vegetables. The insecticides provides you with melanoma. omit your dinner jacket and wear your lab coat: you should be a dietary scientist nowadays earlier than you take a seat to eat—which is why we want Dr. Joe Schwarcz, the specialist in connecting chemistry to lifestyle. In An Apple an afternoon, he’s taken his thorough wisdom of foodstuff chemistry, utilized it to today’s most sensible nutrients fears, tendencies, and questions, and leavened it together with his trademark lighthearted strategy. the result's either an interesting revelation of the miracles of technology taking place in bodies each time we chunk right into a morsel of foodstuff, and a telling exploration of the myths, claims, and misconceptions surrounding our obsession with diets, food, and weight.Looking first at how nutrition impacts our health and wellbeing, Dr. Joe examines what’s in tomatoes, soy, and broccoli that could continue us fit and the way the loads of compounds in one nutrition react once they hit bodies. Then he investigates how we control our nutrition offer, delving into the technological know-how of foodstuff ingredients and what advantages we would notice from including micro organism to yes meals. He clears up the confusion approximately contaminants, interpreting every thing from pesticide residues, remnants of antibiotics, the scary trans fat, and chemical substances which can leach from cookware. And he is taking a studied examine the technological know-how of energy and weighs in on renowned diets.

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An apple a day: the myths, misconceptions, and truths about the foods we eat

Consume salmon. It’s packed with sturdy omega-3 fat. Don’t consume salmon. It’s jam-packed with PCBs and mercury. consume extra greens. They’re packed with strong antioxidants. Don’t devour extra greens. The insecticides offers you melanoma. fail to remember your dinner jacket and wear your lab coat: try to be a dietary scientist nowadays ahead of you sit to eat—which is why we'd like Dr.

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The same Cornell team also showed that apples may play a role in reducing the risk of breast cancer. Rats exposed to a substance known to trigger breast cancer were fed apple extract in amounts equivalent to a human eating one, three, or six apples a day. Lo and behold, the chance of developing the disease was reduced by 17, 39, and 44 percent respectively! Even when cancer set in, maintaining the apple diet blocked the spread of the disease, and after six months reduced the number of tumors by 25 percent.

As we would eventually learn, the effect was not due to acidity of the urine, nor to the antibacterial effect of hippuric acid. It had to do with compounds that prevented bacteria from adhering to the lining of the urinary tract. Bacteria produce adhesives that enable them to stick to tissues so they can pick up nutrients more readily. These molecules fit into specific receptor sites on the epithelial cells that line the urinary tract. As was cleverly shown by Yale University researchers in 1994, compounds in cranberries block these receptors.

Interestingly enough, supplementing the diet with DHA restores normal brain and eye development in the monkeys, demonstrating that the composition of the brain responds to dietary intake. What about humans? We’re often told that we are what we eat. Do we also think with what we eat? Some interesting evidence emerges when epidemiologists examine rates of depression around the world. The variation is surprising, the incidence being sixty times greater in some countries than in others. Unfortunately, Canada and the United States are at the high end, while countries such as Korea and Japan have a very low incidence of depression.

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