Exercise is just as important as diet. Regular, moderate-intensity exercise helps the body use dietary carbohydrates better, reducing the risk of progression to diabetes. Your exercise goal should be to eventually reach 20-30 minutes a day of moderate exercise. Some people are already way above that, while others may take weeks to safely get to that level of intensity. Neither exercise nor a proper diet are guarantees against developing diabetes, but the two together are powerful.

DEAR DR. ROACH:I'm a 75-year-old man with no serious health issues. My problem is nighttime bathroom visits. I feel the need to urinate six or seven times each night. However, I have a weak stream and a soreness in my lower stomach while urinating. I don't usually have anything to drink after 6 p.m. What could be the problem?

A:Enlargement of the prostate is extremely common among 75-year-old men, and the weak stream you note is a strong indication that this is the problem. The urethra -- the tube coming from the bladder that urine flows through -- goes right through the prostate in men. Enlargement of the prostate compresses the tube, making urinating difficult.

The discomfort could be due to enlargement of the prostate, but it could also be a urine infection, a common complication of an enlarged prostate. A urine test and a prostate exam are likely to lead to an answer. Your regular doctor or a urologist can easily do this, and there are several effective treatments.

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Dear Dr. Roach: Prediabetes can first be addressed with diet, exercise advice - Herald & Review