How can I boost my immune system as I age?

Online Answer
If you're over age 65, here's what you can do to strengthen your immune system and prevent the flu and its complications.
  • Get a flu vaccination. ...
  • Eat a healthy diet. ...
  • Get active. ...
  • Lower your stress level. ...
  • Get plenty of sleep. ...
  • Maintain a healthy weight. ...
  • Quit smoking. ...
  • Spend time outdoors.
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