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Dear Dr. Roach: I’m a 61-year-old woman, and my recent DEXA bone density scan resulted in measurements of -2.7 in the lumbar region and -2.1 in both femoral necks. My doctor recommended that I take bisphosphonates.

How would you feel if you suffered a stroke and were left paralyzed? What if you later discovered that if you had been aware of early signs of stroke, paralysis could have been avoided? This column might help to prevent a tragedy.

Dear Dr. Roach: About 11 years ago, I was given a diagnosis of bipolar disorder type I. I was finishing up the first year of my medical graduate school. I have never heard voices or seen things that aren’t there.

Dear Dr. Roach: I am a 94-year-old man who was diagnosed with central sleep apnea about six years ago by my pulmonologist.

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Dear Dr. Roach: I am a 65-year-old male, generally in good health and on no medication. I recently went for a checkup, and the doctor did not take a PSA blood test, nor did he perform a digital exam on me.

Many years ago I wrote: “The problem with laparoscopic (keyhole) surgery is it leaves the impression that tiny incisions mean a simple, uncomplicated way to perform an operation.

Dear Dr. Roach: For teens, does wearing headphones with music playing while sleeping affect the quality of their sleep? Also, does listening to music while studying impact the quality of studying? S.W.

Dear Dr. Roach: I have had many urinary infections. My daughter-in-law told me to eat some yogurt every day to see if that would help. I haven’t had a bladder infection since. I hope this will help other women with this condition. L.E.P.

Dear Dr. Roach: I am a 72-year-old female in reasonably good health. I have an embarrassing problem that no one has been able to diagnose or treat. Within 15-45 minutes of eating, I have urgent, explosive bowel movements.