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7 Ways to Lose Weight — Even the Last 5 Pounds

Sneaky culprits could be to blame when your diet falls short of your goal

Still life of foods and objects that impact weight gain and loss, No-Diet Weight Loss Solutions

You may be surprised at what's preventing you from losing those extra pounds. — Levi Brown

En español l You've dieted and exercised, and you still can't lose those last few pounds. As it turns out, other factors — from toxins in your home to your cellphone habits — could be sabotaging your efforts. Read on for some surprising ways to increase your chance at success.

1. Avoid environmental toxins

If you store your leftovers in plastic, keep old receipts lying around or think nothing of eating an unwashed grape or two, you could be exposing yourself to chemicals that impede weight loss. "These substances slow your metabolism and increase appetite or alter hormones such as estrogen in the body to cause weight gain," says Scott Isaacs, M.D., an endocrinologist and author of Beat Overeating Now!

What you can do: A new study in JAMA shows that repeated exposure to thermal cash register receipts is a significant source of the chemical BPA, so toss old ones. Plus, cut down on BPA by storing food (especially when it's still hot) in glass containers. And wash your hands frequently when you're at work; toxic compounds known as PBDEs are often found in office furniture and carpeting. To avoid pesticides in your food, thoroughly wash produce, and when possible, buy organic — especially "dirty" fruit such as apples, berries and peaches.

2. Chill out

Good news: There's a type of fat in your body that raises your metabolism. It's called brown fat, and it keeps organs warm by burning calories. Bad news: Obese people tend to have less of it. (You also lose this lean-making tissue with age.) One possible reason? People are too comfortable — thanks to modern-day heating and cooling systems — to stimulate brown fat activity. "We now live in a perennial spring," says Francesco Celi, M.D., chair of the Division of Endocrinology and Metabolism at Virginia Commonwealth University School of Medicine

What you can do: Turn down the thermostat. Chilly temperatures cause muscle to produce a hormone called irisin, which stimulates the activity and growth of brown fat, according to new research coauthored by Celi. You don't need to turn your air-conditioning on full blast or switch off your heat in January, but lowering your thermostat from 75 to 68 degrees stimulates brown fat and increases calorie burn by 100 calories a day, Celi's research finds.

3. Check your medications

Weight gain can be a side effect of prescription drugs, says Lawrence J. Cheskin, M.D., director of the Johns Hopkins Weight Management Center in Baltimore. For instance, some diabetes meds, such as insulin and sulfonylureas, may increase your appetite, making weight control — key in managing the disease — even more challenging. Antidepressants such as amitriptyline and mirtazapine (brand names Elavil and Remeron) are associated with weight gain, too. In fact, people taking some psychiatric drugs are up to three times more likely than others to be obese.

What you can do: Check to see whether weight gain is a side effect of your medication, and if it is, ask your doctor whether it makes sense to alter your dose or switch drugs. You may be able to substitute an alternate diabetes drug such as metformin, which is linked to weight loss. Similarly, the antidepressants fluvoxamine, desipramine and trazodone (brand names Luvox, Norpramin and Desyrel, respectively) are not associated with weight gain, a 2010 study reported. Word of caution: Always talk with your doctor before you stop taking a medication.

Next page: Use your cellphone to raise your activity level. » 

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