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Dear Dr. Roach: In the past year, I have had numerous transient ischemic attacks. I also have an abdominal aortic aneurysm and blockages in my carotids. Could a dislodged plaque be the cause of my TIAs? D.G.

Dear Dr. Roach: My daughter, in her middle 50s, is plagued with Raynaud鈥檚. The winter here in Illinois is hard on her. She wears heavy gloves, but still her hands are very cold. It affects her feet, too. P.S.M.

Dear Dr. Roach: I have heard for a while now that the black stuff on burnt toast is carcinogenic. I don鈥檛 eat it because it tastes bad, but now I hear that any browning on things such as bread and potatoes could cause cancer.

鈥楽top tapping your pencil!鈥� my teacher called out. I didn鈥檛. And one day, he walked to my desk, threw me to the front of the class, then tossed me out of the classroom.

Dear Dr. Roach: I have a question about a recent colonoscopy procedure I had. The procedure was the second I鈥檝e had, the first being when I was 50 (I鈥檓 now 60). I woke up this time with a lot of chest pressure, and felt like I was having heart pains.

Dear Dr. Roach: I鈥檓 a 33-year-old woman with an overactive bladder. It was keeping me awake at night with painful spasms telling me I had to 鈥済o鈥� every 45 minutes. I took oxybutynin for a while, but it stopped helping.

Have you ever wanted to say 鈥淚 told you so鈥�? This week, a big thanks to Dr. Freddie Hamdy, professor of surgery at Oxford University in England.

Dear Dr. Roach: I am an adult woman who somehow has gotten head lice. This has been a traumatic adventure, since I have been unsuccessful in ridding myself of it 鈥� and it has been a little over a month of diligent trying.

Dear Dr. Roach: I was diagnosed with collagenous colitis nearly three years ago. I was prescribed budesonide, which brought it under control. I have tried getting off the medication several times, but my condition returns within a week or so.

Dear Dr. Roach: At 64, I was in very good health except for moderate hypertension, which was treated with lisinopril. I then had an incident lifting a heavy load, which injured my back.