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Your Good Health: Doctor right to delay antibiotics for sinusitis

Dear Dr. Roach: Every year and a half to two years, someone in our house gets a sinus infection. We are in our mid-60s, and it is always a fight with our doctor to get antibiotics to cure it.

Your Good Health: Poor circulation can lead to hair loss on legs

Dear Dr. Roach: I鈥檓 a 65-year-old male. For the past five years or so, I have been losing the hair on my legs.

The Doctor Game: Body needs 鈥榮parkplug鈥 of coenzyme Q10

Mark Twain once remarked, 鈥淕et your facts first, then distort them as you please!鈥 Facts are easy to distort in medicine, particularly when talking about coenzyme Q10 (CoQ10).

Your Good Health: Benefits of having flu shot outweigh the risks

Dear Dr. Roach: I had surgery last year to remove my spleen and three-quarters of my pancreas. I had numerous vaccines before and after the surgery.

Your Good Health: Son鈥檚 chronic pelvic-pain syndrome is a mystery

Dear Dr. Roach: My 46-year-old son has suffered for nearly five years with what seems to be chronic pelvic-pain syndrome. Being the mother, I am involved only to a limited extent, as my son, of course, is embarrassed to go into detail with me.

Your Good Health: Loop recorder can track irregular heartbeat for years

Dear Dr. Roach: I am a 70-year-old man who is generally in good health. I take medication for high blood pressure, but nothing else.

Your Good Health: What is the meaning of prostate screening?

Dear Dr. Roach: Every article I have read about prostate screening fails to define 鈥渟creening.鈥 I had thought of screening as the PSA blood test and/or the digital exam.

Your Good Health: At 68, woman doubts value of mammograms

Dear Dr. Roach: I am 68 years old, and I hesitate to continue with mammograms. I have a couple of friends who were treated with very harsh chemo and radiation for tiny stage 1 tumours.

Your Good Health: Research on marijuana far from complete

Dear Dr. Roach: I am hoping you can weigh in on the use of cannibidiol (hemp-derived) for managing anxiety. My son has diagnoses of major depression and ADD.

The Doctor Game: Gender differences must be considered in medicine

George Carlin, the American comedian, once remarked when referring to God: 鈥淗e, and if there is a God, I am convinced He is a He because no woman could or would screw things up this badly.