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Dear Dr. Roach: I read that wearing a bra increases the risk of breast cancer, since a bra prevents drainage of lymphatics in the breast and this lymph fluid contain toxins. Is this true? P.P.L. No, this isn鈥檛 true.

Dear Dr. Roach: My daughter has had symptoms of Guillain-Barr茅 syndrome since her 20s. She is now 64 and has been doing fairly well. She is ambulatory and curious about her future. P.B.

Dear Dr. Roach: A few months before my 94th birthday, I developed tiny pimples and an unbearable itch on my scalp.

Dear Dr. Roach: I have a friend, age 56, who was diagnosed with Alzheimer鈥檚 disease a few years ago and has been taking Aricept, which has helped immensely.

Dear Dr. Roach: I am 67 years old, weigh 150 pounds and have one kidney; therefore, I am limited in the amount of protein I can have. I also have been trying to limit my carbohydrates to 60 grams per meal.

Dear Dr. Roach: I have slight numbness and tingling in my feet and lower calves in both legs. It feels almost like my feet are going to sleep. I can feel pressure, but not fine-touch sensation.

Would I, as a doctor, ever expect to meet a miner? Luckily, I accepted an invitation to do just that, and discovered there is something new under the sun.

Dear Dr. Roach: I am a 66-year-old male who gets shortness of breath when walking up a hill or on a trail. I had a stent put in in 2002, and I had a stress test done. My doctor said it was fine, but he said I just had shortness of breath.

Dear Dr. Roach: I am an active 77-year-old male in relatively good health. In April, I had some silent reflux causing mild asthma.

Recently, in a column I confessed to buying the penny stock of Eastgate Biotech Corp.