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Dear Dr. Roach: My mother passed away at age 81, just a short time before Christmas. Advanced dementia appeared to be the culprit.

Dear Dr. Roach: I have questions regarding sugar substitutes. I have come to the overwhelming conclusion that sugar is a poison to the human body. However, I have never read any information regarding the safety of sugar substitutes.

Dear Dr. Roach: I recently was diagnosed with A-fib and am taking metoprolol. My cardiologist also wants me on Xarelto, which is a blood thinner.

Dear Dr. Roach: I have had leg cramps for about 32 years while I have engaged in an active lifestyle. I was a jogger for some years, and now I work out at the gym. I am in my late 60s and have found that the leg cramps have gotten worse.

Dear Dr. Roach: I am 50 years old. In the past three months there have been indicators that I am perimenopausal. I have a very large fibroid. It is described as 鈥渟ix months鈥� in size. I am not a candidate for embolization.

Dear Dr. Roach: My married daughter, now 52 years of age, has for the past two years become psychotic and is on antipsychotic medication. She makes a humming sound, which seems to be involuntary and over which she has no control.

Dear Dr. Roach: I read your response regarding CT versus MRI scans. I have severe pain in my right hip, on the outside, radiating to my right foot. It is a hot, burning pain, hampering activity.

Dear Dr. Roach: I am 69. Two years ago, I had a heart attack followed by double bypass surgery. Two vessels on the back of my heart were blocked. I had no symptoms. My doctor, family, friends and I were stunned.

Dear Dr. Roach: My question is about my sister, who is 66 years old with aortic disease and has had four aneurisms: an ascending aneurism 4.5 x 4.6 cm, a descending at 4.2 x 4.7cm, and also an abdominal at 2.4聽x 3.2 and another just at 2 cm.

Dear Dr. Roach: My dad is 91 and in good health. In September, he had an episode in which his body stiffened and he fell. The paramedics came, and he was taken to the hospital, where they did an EKG, bloodwork, X-rays and a CAT scan.