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Your Good Health: Man, 68, suffers recurrences of collapsed lung

Dear Dr. Roach: I am an active 68-year-old man in good health. I am thin, but not very tall. I am five feet, 10 inches tall and weigh about 170 pounds.

Your Good health: Abnormally low blood cell test results require specialist attention

Dear Dr. Roach: I am 90 years old and in good health. I recently saw my doctor and had abnormal blood test results. My white cell count was 2.1, my hemoglobin 9.5 and my hematocrit was 29 per cent.

Your Good Health: Mother-to-be told to ensure visitors have Tdap vaccine

Dear Dr. Roach: I鈥檓 expecting a baby in a few months, and my doctor told me that everyone who will come into contact with her must get the Tdap vaccine.

Your Good Health: Diabetes control may stave off nerve damage

Dear Dr. Roach: What are the treatment options for diabetic neuropathy? What is likely to happen over time to someone with this condition? M.P. Diabetic neuropathy is a condition of nerve damage associated with diabetes, both Type 1 and Type 2.

The Doctor Game: One doctor鈥檚 prescription for a long life

One: buy a scale. Obesity is a huge killer and it sets the stage for Type 2 diabetes, heart attack and hypertension. Be a smart consumer. Step on the scale each day so there are no surprises about weight gain.

Your Good Health: Woman on metformin falls short of goals

Dear Dr. Roach: My elderly sister, 73, has Type 2 diabetes, and is taking 500 mg of metformin twice a day. After two years on metformin, her fasting glucose level is only 125 mg/dl and A1C only 6.8 per cent.

Your Good Health: Low thyroid blood levels can reduce body temperature

Dear Dr. Roach: I am an 85-year-old female with an often low body temperature. I feel very warm, like I have a fever, but when I take my temperature, it can be as low as 95 or 96. This has happened several times.

Your Good Health: Measles had role in seizures later

Dear Dr. Roach: When I was young, I had mumps and chickenpox, and one type of measles (German measles?) when I was 16, and the other when I was about 18. I had three grand mal seizures within 12 months after the second round of measles.

Your Good Health: Pain from bone contusion going on for more than 2 years

Dear Dr. Roach: I injured my left shin by impact two years and one month ago, and to my astonishment, it still hurts on a diminished but regular basis. I had an X-ray, vein test, nerve test and, finally, an MRI, which showed 鈥渟ome swelling.

The Doctor Game: How safe are cellphones? Science is mixed

Are some cellphone users destined to develop cancer after years of use? Or is this fear being over-played? For years, I鈥檝e tried to find an unbiased informative source.