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Dear Dr. Roach: My doctor put me on atenolol for occasional racing-heart incidents: In the past five or so years, I鈥檝e experienced only three or four such incidents a year, lasting five to 15 minutes each time. I also have had a cough for years.

Dear Dr. Roach: My 18-year-old grandson has just been informed that he has left ventricular noncompaction cardiomyopathy. He has been VERY active his whole life, playing football, baseball, basketball and soccer all through high school.

Dear Dr. Roach: My husband has cancer in his bladder. It was found when he was having his prostate checked. He asked the doctor what caused it.

Dear Dr. Roach: I wonder why you never talk about holistic measures to prevent illnesses, such as cancer.

Faced with a medical decision, patients usually allow their doctors to decide on treatment, assuming they know best. But Consumer Report on Health claims this approach rarely works anymore.

Dear Dr. Roach: In August 2014, my urologist ordered a CT scan to confirm a possible recurrence of kidney stones. The stone results were negative; however, the scan report described findings of a small, low-density lesion in the pancreas measuring 4.

Dear Dr. Roach: Your recent discussion on prostate cancer screening appears to bear out my belief that neither statistical evidence nor anecdotal evidence can be ignored in proving or disproving a case for screening.

Dear Dr. Roach: I am a 62-year-old male who gets weekly testosterone injections. My semiannual blood work comes back fine. I have no side-effects except that I lose my temper with people easier now. I have a little more energy and sex drive.

Are you scheduled for surgery? If so, there are ways to circumvent horrendous surgical errors. We鈥檝e all heard stories about surgeons amputating the wrong leg. Or fixing a hernia on the side that didn鈥檛 need it.

Dear Dr. Roach: I was diagnosed with endometrial cancer about seven weeks ago. I had a complete hysterectomy four weeks ago. The pathology report came back as 鈥淪tage 1, Grade 3, size 4.