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Dear Dr. Roach: I鈥檓 85 years old and a Type 2 diabetic. My fasting blood sugars are usually below 5.5.

Dear Dr. Roach: I have suffered sciatic pain on my left side for over a year, and an MRI revealed spinal stenosis and arthritis. My doctor, who specializes in physiatry, has recommended an epidural injection with ultrasound.

Dear Dr. Roach: A year ago, I weighed 175 pounds. My wife was quite concerned when I started to lose weight. I am generally in good shape.

Dear Dr. Roach: Two years ago, my grandfather (a 90-years-young navy veteran) had a nasty fall and, in an attempt to break his fall, fractured a bone in his hand.

Dear Dr. Roach: I am a 63-year-old woman. I was diagnosed with fibromyalgia several years ago, and I鈥檓 starting to think there is a link between it and my other ailments.

Dear Dr. Roach: Please tell me about Celebrex. I am 86 years of age. I took it 15 years ago, and it helped me not to be so stiff. Now my present doctor will not prescribe it for me.

Dear Dr. Roach: My friend was diagnosed with H. pylori. He was treated,then later given a stool-sample test. The test was negative, and he was told he does not have the H. pylori bacteria anymore.

Dear Dr. Roach: My brother had four mini-strokes in five days. They can鈥檛 find what caused it. He was in a university hospital for seven days. M.L.

Dear Dr. Roach: As a preventive measure for prediabetes, my doctor recommended I take 500 mg of metformin twice a day (morning and evening). I have been following this regimen for two months.

Dear Dr. Roach: I moved to the Northern California mountains about 17 years ago. There was much discussion about Lyme disease at that time. My husband and I decided, since we were surrounded by tick-carrying deer, that we should take all precautions.