Word: dieting
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...With more consumers questioning how their food is grown and organic fruits and vegetables exploding into a multibillion-dollar market, grass-finished meat and dairy look like the next food frontier. In the past five years, more than 1,000 U.S. ranchers have switched herds to an all-grass diet. Pure pasture-raised beef still represents less than 1% of the nation's supply, but sales reached some $120 million last year and are expected to increase more than 20% a year over the next decade. Upscale groceries like Whole Foods and Trader Joe's are ramping up grass...
...feeding steers grain and supplements can create safety issues--for cattle and humans. Biologically, cattle are ruminants, exquisitely evolved to graze grass, and researchers have found that a grain diet raises the acidity in steers' guts. This breeds an acid-resistant form of E. coli that can spread from feces-contaminated carcasses to meat. Although USDA inspections are supposed to detect E. coli, the system is not perfect. In 1993, 600 people in Seattle got sick and three children died after eating E. coli-- tainted hamburger. Since then, outbreaks have triggered more recalls and led to a federal recommendation that...
...many accounts, the grain diet contributes to one more public-health problem. Overuse of antibiotics has caused more and more bacteria to become resistant to treatment, a factor in the deaths of more than 60,000 Americans each year. An estimated 70% of the nation's antibiotics are fed to livestock and poultry to prevent illnesses and promote growth. Some 300 organizations, including the American Medical Association, have called for an end to nontherapeutic use of antibiotics in animal feed. The NCBA counters that antibiotics are judiciously applied. But the line between necessary treatment and routine use is blurred...
...also unclear whether switching to artificial sweeteners helps you lose weight, though a glance at our collective potbelly suggests that it doesn't. Some researchers think artificial sweeteners may actually interfere with our efforts to diet. A 2004 study by psychologists at Purdue University found that when rats were fed artificially sweetened liquids for 10 days, they lost their innate ability to gauge the calorie content of foods containing real sugar...
Other experts speculate that the whole American diet may be calibrated to an artificially high level of sweetness, and that we may be in danger of generalizing our propensity for sweets--artificial or otherwise--to everything we eat. "Why do we have so much sugar in things like peanut butter?" Brownell asks. "Why do they put sugar in soups...