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Dear Dr. Roach: Is prediabetes reversible, and if not, is it permissible to eat sweets and starches in moderation if you have it? C.W. In many cases, prediabetes can be reversed.

Dear Dr. Roach: I am 65 and get very little exercise due to a below-the-knee amputation I had 27 years ago. Although I have a prosthesis, I experience open sores. I have been diagnosed with聽severe arthritis and severe osteoporosis.

Dear Dr. Roach: I have a problem called 鈥渟hy bladder,鈥� which has put me in a legal predicament. I was pulled over for speeding (which I was). After passing a breathalyzer twice, I was taken to the police station to give a urine sample.

Dear Dr. Roach: My son-in-law had Guillain-Barre as a child, and is now 39 and a new father. He has an executive job with nothing strenuous. He cannot get the flu聽shot and consequently got the聽flu.

Dear Dr. Roach: I am a 77-year-old woman who suffered with urinary tract infections until my gynecologist prescribed estradiol, which I currently take.

Dear Dr. Roach: I have been bothered by the fungi on my toenails 鈥� eight of them! I tried every over-the-counter remedy, to no avail.

Dear Dr. Roach: In 2017, my white blood cell count was 8.9 and my lymphocytes were 3.2. My recent blood tests showed a second increase in both numbers, with the WBC 10.2聽and lymphocytes 4.8.

Dear Dr. Roach: I just found out that my dad has an abdominal aortic aneurysm that measures 4.7 centimetres.

Condition caused by slipping of disc at L4 on L5

Dear Dr. Roach: My urologist鈥檚 receptionist asks every person to leave a urine sample for testing. They ask without knowing the reason for the visit. I would not be surprised if they ask the UPS delivery person.