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

By Joseph Schwarcz

Devour salmon. It’s choked with sturdy omega-3 fat. Don’t devour salmon. It’s packed with PCBs and mercury. devour extra vegetables. They’re choked with strong antioxidants. Don’t consume extra vegetables. The insecticides offers you melanoma. disregard your dinner jacket and wear your lab coat: you need to be a dietary scientist nowadays earlier than you sit to eat—which is why we'd like Dr. Joe Schwarcz, the professional in connecting chemistry to lifestyle. In An Apple an afternoon, he’s taken his thorough wisdom of meals chemistry, utilized it to today’s best nutrition fears, traits, and questions, and leavened it together with his trademark lighthearted method. the result's either an unique revelation of the miracles of technology taking place in bodies whenever we chew right into a morsel of foodstuff, and a telling exploration of the myths, claims, and misconceptions surrounding our obsession with diets, foodstuff, and weight.Looking first at how nutrients impacts our overall healthiness, Dr. Joe examines what’s in tomatoes, soy, and broccoli which could preserve us fit and the way the masses of compounds in one meals react once they hit bodies. Then he investigates how we control our nutrients offer, delving into the technology of foodstuff ingredients and what advantages we would discover from including micro organism to definite meals. He clears up the confusion approximately contaminants, analyzing every thing from pesticide residues, remnants of antibiotics, the feared trans fat, and chemical substances that could leach from cookware. And he's taking a studied examine the technological know-how of energy and weighs in on well known diets.

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We also know that people with low levels of DHA in their blood plasma have low levels of 5-HIAA. Interesting. Then consider that researchers at the University of Surrey, as well as at Purdue, have linked low blood levels of DHA to dyslexia, attention deficit disorder, and hyperactivity, and have shown an improvement in these conditions using a DHA supplement now marketed as Efalex. Furthermore, a study of more then one thousand elderly people who were followed for nine years showed that those with high blood levels of DHA were more than 40 percent less likely to develop dementia, including the Alzheimer’s variety.

At least that’s one conclusion that can be drawn from an intriguing Italian study. Imagine being admitted to a hospital with a heart attack and a doctor asking how many times a week you eat pizza. This was the actual question that was asked of 507 heart attack victims and 478 others who had been admitted to a hospital in Milan, Italy, between 1995 and 1999. Why? To find out if most Italian foods had any role to play in heart disease. We’ve all heard about the benefits of the highly touted Mediterranean diet, and Italian researchers decided to find out if pizza specifically played a role in protection against cardiovascular disease.

Can eating fish really make us smarter? Maybe. The first attempt to put the long-held notion that “fish is brain food” on a scientific footing emerged during the eighteen hundreds when scientists discovered that the key molecule in producing cellular energy, namely adenosine triphosphate, or ATP, was rich in phosphorus. Since ATP provides the energy for thinking and is used up in the process, these scientists proclaimed that its regeneration was the key to mental acuity. ” Today, researchers know that there is no dietary shortage of phosporus, so this is not the case.

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