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1 .This is Scientific American's 60-Second Health. I'm Katherine Harmon. Got a minute?
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2 .With more than two-thirds of Americans now overweight or obese, finding the best way to help improve diet and exercise is key for the nation's health.
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3 .So who do you trust to help you lose weight?
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4 .A svelte celebrity on a magazine cover?
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5 .Your buffest friend?
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6 .What about a super-fit physician?
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7 .Actually, if you have a body-mass-index, a BMI, of 25 or more, you're more likely to take weight advice from an overweight doctor than a slim one.
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8 .That's according to a study of 600 overweight adults in the journal Preventive Medicine.
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9 .More than half the patients in the study see a primary care physician who also has a too-high BMI.
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10 .The overweight patients may have a higher overall comfort level with docs of a similar weight class.
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11 .But the downside is that previous research found that physicians who have above-normal BMIs can lack knowledge about solid weight-loss strategies.
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12 .So when it comes to getting effective weight loss help, perhaps the best advice comes from the doc who can say, "Do as I say, and as I do."
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13 .Thanks for the minute, for Scientific American's 60-Second Health. I'm Katherine Harmon.
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