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Dear Dr. Roach: I wonder if you could comment on the negative side-effects of various blood-pressure medications for those over 65 — particularly folks who are 80-plus.

Dear Dr. Roach: My 82-year-old husband was diagnosed with H. pylori and was treated with two antibiotics and omeprazole. Would you please expand on what exactly H. pylori is? T.R.

Dear Dr. Roach: My teens keep smoking all these flavoured, ethereal wand vapours. They claim it tastes good and even try tricks with the vapour. I’m a concerned parent as I hear these are dangerous magic cigarettes.

Dear Dr. Roach: I recently read an article on MS. I have a young friend who suffers from it. As the article confirmed, and my young friend can attest to, symptoms receded during pregnancy.

Ask anyone about AAA and they will immediately think of the American Automobile Association. But it also stands for abdominal aortic aneurysm.

Dear Dr. Roach: Should people with Lyme disease avoid the flu shot? L.A. Lyme disease is a potentially serious infection caused by the bacteria Borrellia burgorferi, passed on by a tick bite.

Winter’s coming, so how much vitamin D do we need? How much time do you have to spend in the sun to obtain adequate amounts? How does obesity affect the dosage? How many diseases can be prevented by adequate amounts of this vitamin? And what can a ps

Dear Dr. Roach: I started taking betaine hydrochloride for my digestive health. I have had some ongoing issues, and my sister, the wellness guru, has been sharing some things she has learned and suggested this to me.

FRAX test can reveal risk of fractures

Dear Dr. Roach: After treatment for prostate cancer (with brachytherapy) at age 69, my husband started self-medicating for pain with alcohol. His drug of choice is straight vodka in what I feel to be staggering quantities.