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Dear Dr. Roach: I鈥檓 a 76-year-old male with a heart condition. I had a double bypass 11 years ago and a stent put in two years ago. Apparently, I鈥檓 allergic to statins.

Dear Dr. Roach: I am a 61-year-old woman who has lost most of her sexual drive. My OB/GYN has suggested bioidentical hormone replacement therapy. My online research did not do much to enlighten me. The cost is pretty high.

Dear Dr. Roach: I am fair-skinned and have had sunburns in the past, so I have been diligent about looking for rough, scaly skin patches that might turn into cancer and dark irregular patches that might be melanoma.

I lost track of the number of times I was called by hospital emergency to tell me my elderly mother had fallen again. Now, a study shows that atrial fibrillation, referred to as A Fib, an irregular heart rate, is often the cause of falling.

Dear Dr. Roach: My husband had prostate cancer in 2013. He was treated with radiation, and was thought to be cured. Well, one year later, he found out he had cancer in his liver. He lived eight months before going into hospice for his last 15 days.

Dear Dr. Roach: I have arthritis in my hands and knees. For at least three years, I took ibuprofen (about 1,200 mg daily). Then two years ago, I switched to a natural health-care product derived from turmeric.

Dear Dr. Roach: I learned from the American Heart Association鈥檚 website that when exercising, one should stay between 50 per cent and 85 per cent of one鈥檚 maximum heart rate.

Dear Dr. Roach: I am inquiring about low cortisol. My son recently was told that his cortisol level is 0.39 and that it should be above 1.8. The result was from a saliva test.

Dear Dr. Roach: I am a 48-year-old woman in good health, minus high blood pressure, which is under control with regular medication.

Dear Dr. Roach: My son started having gastrointestinal problems in high school. Approximately three years ago, they became so intense that he couldn鈥檛 work. Last May, he finally had surgery for gastric reflux.