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(NU) - For many, losing weight is difficult, but keeping it off is almost impossible. In fact, according to the World Health Organization, more than 1 billion people worldwide are overweight, and of those, 300 million people are obese. These figures shed light on why the diet industry is now a multi-billion-dollar business. While those…

(NU) - As every weekend warrior or gym rat knows, stiff joints and aching muscles are a small price to pay for working out and staying healthy. According to health experts, sore muscles are the result of microscopic injury to the cells in the muscles, surrounding tendons and connective tissue. Damage to the cells causes…

(NU) - Most of us know the painful truth — just a few minutes of gardening, golf or other warm weather pursuits we love can cause aching muscles that hurt for days. Sore muscles are caused by microscopic injuries to the cells in the muscles surrounding tendons and connective tissue. Damage to the cells causes…

(NU) - Milk may be the perfect food for infants. But for mil-lions of older kids and adults, it can call painful attention to one of the body’s imperfections — a shortage of lactase, the enzyme necessary to digest the lactose in dairy products. According to the National Digestive Diseases Clearinghouse, between 30 million and…