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Dear Dr. Roach: I am a 91-year-old man with swollen legs. I take 20 mg of furosemide and 20 mEq of Klor-Con daily. I understand that the Klor-Con is to replace the potassium loss caused by the former.

Dear Dr. Roach: No one seems to understand a bad habit of mine, especially dentists! I bite off the loose skin on the inside of my cheeks. I remove little bits of cheek matter that is loose and sort of just hangs and is rough.

Dear Dr. Roach: Could you please explain in layman terms the difference between an X-ray, CT scan, MRI and PET scan? C.D.B.

Dear Dr. Roach: My friend has been struggling with almost never-ending hiccups since she was young. There seems to be no apparent trigger for them. They happen all hours of the day and even wake her up in the middle of the night.

Dear Dr. Roach: Our mother passed away at 91, after decades of medical problems. She had complained over the years to many doctors of chest pains, difficulty breathing and difficulty swallowing.

Dear Dr. Roach: Alcoholism runs in my family. I do not drink. For years I鈥檝e read studies showing how good a glass of red wine is for you. Just recently something came out on the local news that 鈥渨ine is good for your gut.

Dear Dr. Roach: For the past two years, my husband has taken Eliquis twice a day, as prescribed by his cardiologist for atrial fibrillation. He is having serious problems with bleeding, especially on his legs when he bumps into furniture or corners.

Dear Dr. Roach: After reading your recent column regarding psilocybin for depression , I looked online and found information on transcranial magnetic stimulation.

Dear Dr. Roach: I was diagnosed with small-cell lung cancer. After radiation and chemotherapy, my chest CT scan is now clear. My radiologist recommended prophylactic brain radiation, even though my head CT scan is clear.

Dear Dr. Roach: I talked to a person who said they鈥檇 eaten a cigarette and it cured all of their symptoms of parasite infection, because tobacco is an 鈥渁ncient cure鈥� or something like that.