They should consume more calories from carbohydrates
be a better person and show responsiblity
A good idea what one could do in the off-season (considering one would do seasonal sports such as skiing) would be to either engange in activities that will preserve fitness - b, or to relax and recuperate; depending on the desire and wishes of the person - a.
Neutropenia, or a decreased in the White blood cell neutrophils, also seen as leukopenia or granulocytopenia.