By Dr. Brian McDonough

PHILADELPHIA (CBS) — There are many topics that doctors debate in medicine, and many different studies can have all sorts of implications. However, certain things remain consistent.

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There is yet another study, looking at Swedish men, in this case, that talks about how to prevent heart attacks 4 out of 5 times.

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According to a study which followed over 20,000 men in Sweden for 11 years, five factors had the greatest impact on health: diet, exercise, smoking, weight circumference, and alcohol consumption.

The bottom line is, yes, you can drink an occasional glass of alcohol, though you shouldn’t smoke and you should maintain a healthy diet. You should also emphasize whole grains in your diet.

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Finally, get that exercise. You can walk or cycle 40 minutes a day, or you can exercise more vigorously at least one hour per week. Do these things, it will make a difference, and it will increase your lifespan.

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