Q. I went for an eye exam because my vision seemed worse in my left eye. I was diagnosed with a macular hole. Is that the same as macular degeneration?

Q. I seem to spend a lot of my time going from place to place having medical tests that have been ordered by specialists. I have several health problems but is all this testing necessary?

Q. I have pseudoexfoliation syndrome and recently had cataract surgery in my left eye. Since then, there is a blurry spot in my left eye that won’t go away. My doctor said it would take a while to heal. Is this normal?

Q. Sometimes when I walk into a room to get something, I completely forget why I went in. Does this mean my memory is slipping?

Q. I am a fairly active 80-year-old man. Do I still have to drink eight 8-oz. glasses of water every day?

Q. I always rinse off most fruits and vegetables before eating them, but I wonder if that’s enough to remove germs or toxins?

Q. After smoking for over 40 years, I finally quit last year by using nicotine gum. But I still chew a lot of it because I’m afraid if I don’t, I’ll start smoking again. Can the gum be harmful?

Q. I have diabetes and high blood pressure. My doctor says I am at risk for developing glaucoma. What symptoms should I look out for?

Q. I have sinus trouble and want to try rinsing them with a neti pot. Are these devices safe to use?

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?