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Dear Dr. Roach: I am a 64-year-old woman. I have been an avid exerciser and runner since 1980. I am in excellent health and take no medications, except for a low-dose rheumatoid arthritis medication, methotrexate.

Dear Dr. Roach: In your recent column on pseudogout, you didn鈥檛 discuss treatment. I had it this year, and after a while it went away. It was very painful. Is there any medication to help it? D.B.

What would it be like living in a world without antibiotics, where a simple infection could kill you? It could happen, as increasing numbers of bacteria are resistant to antibiotics.

Dear Dr. Roach: I hope you can help me.

Dear Dr. Roach: I read the letter from the man who took niacin to lower his cholesterol, which resulted in diabetes. I am not sure if you are aware that red yeast rice, which I have been taking, is supposed to reduce cholesterol.

Dear Dr. Roach: I have suffered for several years now from irritable bowel syndrome. I believe my symptoms began after back-to-back bouts of food poisoning, possibly norovirus.

Who are the most sleep-deprived people? U.S. researchers say the answer is clear: single mothers. A new report from the U.S.

Prominent vegans share their passion and practices in a growing food movement

Dear Dr. Roach: I read your recent column on PSA screening for prostate cancer.

Can you have too much of anything these days? Surely, by now, you know that you can get too much sugar, too much salt and too many calories, to name a few things. But you can also get into trouble by getting too little of some nutrients.