[header] How to beat the sickness blues [title] Have a movie marathon. [step] Studies show that movies improve the immune system by boosting natural killer cells. They say laughter is the best medicine and it is true. 
Watching comedies can have a great effect not only on your mood but also by shrinking the duration of your illness. Watch all of the movies you've been meaning to watch but just haven't had the time-in a row.