A Nurse Has Noticed an Increase in the Number of Older

A nurse has noticed an increase in the number of older patients in the community coming down with pneumonia from influenza each winter. In addition to increasing access to the influenza vaccine each winter, which intervention would address the biggest risk factor associated with developing pneumonia for this particular age group?

A) Increasing hand washing
B) Improving nutrition by increasing access to healthy foods and prepared meals
C) Getting more restorative sleep
D) Increasing exercise through community programs