Health tips.  Preventing macular degeneration.
D004032:Diet / Q000592:standards*; D015444:Exercise / Q000502:physiology*; D006801:Humans; D008268:Macular Degeneration / Q000175:diagnosis / Q000209:etiology / Q000517:prevention & control*; D012907:Smoking / Q000009:adverse effects*; D015431:Weight Loss / Q000502:physiology*