Dear Mr. Premack: As I get serious about completing my tax return, I am wondering if it is possible to reduce my taxes by claiming my father as a dependent. He lives in assisted living but could not afford the rent. So every month he pays $1100 (his entire social security check) and I pay $1400. That covers his rent and food but not his medications, which I also purchase for him. I am single. Am I justified in claiming him as a dependent? – B.N. If you can claim your father a