By the way, doctor: Could swimming in cool water give me a heart attack?

When I attempt to go into the outdoor pool at my beach club, I gasp for breath, get dizzy and light-headed. I read that some people who are very sensitive to cold water may sustain a heart attack from submersion in cold water. Is this a possibility?

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Ask the doctor: What can I do to stop smoking if the “standard” treatments don’t work for me?

I recently had stents placed in two coronary arteries. The doctors, of course, told me to quit smoking. I have tried to quit but just can’t. Hearing over and over that I need to quit leaves me feeling depressed. Is there news that might give me some hope?

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By the way, doctor: Does an H. pylori infection without symptoms need to be treated?

I’m in my mid-80s and am infected with H. pylori, the “ulcer bacteria.” I don’t have any symptoms and have heard that half of everyone over age 60 tests positive for H. pylori and that many people never develop ulcers. Do I need to be treated?

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By the way, doctor: Will thiazide diuretics increase my chances of getting diabetes?

Thiazide diuretics are often recommended as the first medication to use to control blood pressure, but I've heard that a large study called ALLHAT found an association between thiazide diuretics and diabetes. Is this something to be concerned about?

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