title: My feet are killing me.  Is this a normal part of aging?  I'm 66 years old.
mesh_terms: D000368:Aged; D005534:Foot Diseases / Q000209:etiology / Q000517:prevention & control; D061826:Foot Orthoses; D006801:Humans; D010146:Pain / Q000209:etiology / Q000517:prevention & control; D012775:Shoes