Q. I take calcium supplements for osteoporosis, but I've heard that taking a lot of calcium can damage the arteries in my heart. Is this true?

Q.My husband has Alzheimer s disease and lives in an assisted living residence. An organization sometimes brings pets in to visit with residents, but I m concerned about sanitation and the risk of infections. Is this an unsafe practice?

Q. As I get older, I notice my mouth is very dry. What s the best way to treat this problem?

Q.My husband has moderate-stage Alzheimer s disease. Is it true that there s a prescription medical food that may help his symptoms?

Erickson health and wellness experts can be found at Erickson Living communities all over the U.S. This month our expert is Austin Welsh, M.D. ' Medical Director, Creek Overland Park, Kans. Dr.

Q. Is it true that a tick bite can cause food allergies?

Q. Why do some people develop shingles but others don't?

Q. I have dull lower back pain when I wake up in the morning, but by the time I ve gotten dressed, it goes away. It only comes back if I skip my daily exercises. What could be causing it?

Q. Are over-the-counter pain patches safe? I don t like to take a lot of medicine and have been looking for natural ways to relieve muscle and joint pain.

Q.I ve always had strong, healthy teeth, but now I seem to have cavities every time I see the dentist. Why is this happening?

Q.I have hypothyroidism. I like to take natural thyroid medicines rather than synthetic ones like Synthroid. What s the difference between them?

Q. I ve been eating eggs with no problem my whole life. But now, I don t feel well when I eat them. Could I have developed an allergy this late in life?