Fat may seem like the enemy of civilized people—especially sedentary ones. Yet we cannot live without it.
Fat plays a key role in the structure and flexibility of cell membranes, and it helps regulate the movement of substances through those membranes. Special types of fat, known as eicosanoids, send hormone-like signals that exert intricate control over many bodily systems, mostly those affecting inflammation or immune function.
Concerns and subsequent warnings about the dangers of childhood obesity have made headlines for years. Despite the widespread publicity, it looks like many parents don’t see the problem when it is lurking within their own homes.
A new study in the British Journal of Nutrition (2013; 109 , 2015–23) has found that eating either peanuts or peanut butter as part of your break- fast can control blood sugar throughout most of the day, even following a high-carb lunch.
Not everyone uses text messages, but for those who do, fitness professionals can harness the power of technology to help clients get healthier, say researchers at Duke University.
Scientists followed 50 obese women who received either a daily text for weight loss intervention or used more traditional methodology, such as writ- ten food journals or computer-tracked journaling. Over 6 months, the 26 subjects in the texting group lost an aver- age of 3 pounds, whereas the 24 who journaled more traditionally actually gained 21⁄2 pounds.
You probably have clients who have been dieting most of their adult lives. A study published in the International Journal of Obesity (2013; doi: 10.1038/ijo.2013.138) shows that there may be a physiologic reason why diets could be a poor bet, especially for obese people.