Dear E.G.: It sounds like what you are doing is working since you haven't developed diabetes. However, I can't make any ...

If I am taking vitamin A, what is a reasonable dose? I have seen reports that taking too much can cause liver damage, but ...

Dear W.D.W.: It is completely understandable to be concerned about a PSA level of 18 ng/mL, but you and your urologist have, ...

Dear Dr. Roach: Seniors are advised that one of the best forms of exercise is walking. The advice is to “walk briskly” for at least 150 minutes per week. There are those of us who, because of ...

Dr. Roach: I was vaccinated as a child with the combination MMR vaccine. My husband and I are expecting a new grandchild. My friend advised me that we, as elder ...

Dear Dr. Roach: How effective are COVID vaccines for people taking immunosuppressive prescriptions? Will we be tested for a desired level of antibodies? — C.J.