By Cynthia Weiss From Mayo Clinic News Network DEAR MAYO CLINIC: As I have gotten older, doctors have placed me on more medications, such as for blood pressure and cholesterol. Also, as I age, I have chosen to take some supplements that are supposed to improve my memory, reduce cholesterol and prevent cancer. Should I worry about these supplements interacting with one another or my medications? ANSWER: With age come more chronic health conditions. Also, some people may develop deficiencies in certain vitamins as they age. Thankfully, an array of prescription and over-the-counter medications, as well as dietary supplements and vitamins, are available to alleviate symptoms, slow the advancement of many age-related chronic health conditions and help people maintain good health. Over the years, though, store shelves have become crowded with hundreds of herbal supplements and other nutritional enhancers that make various claims about supporting physical and mental health and …