Salad lovers stand by lettuce as a staple of a healthy diet. But what do you do when an outbreak of cyclosporiasis, which can cause painful diarrhea, makes munching leafy greens a food safety hazard?

Add Yahoo as a preferred source to see more of our stories on Google. Stephen Lux/Getty Images Ever take a big bite of a refreshing green salad only to feel grit between your teeth? Yuck. If not ...

The choice is mostly between whole heads and pre-chopped lettuce. Seixas says he generally tries to avoid pre-chopped mixes, as they deteriorate much more quickly than whole heads, but that he will ...