An increased AST level is usually a sign of liver disease. Liver disease is even more likely when the levels of substances checked by other liver blood tests have also increased. An increased AST level may be due to any of the following:
In order to keep itself fresh, the lettuce gives off carbon dioxide, causing a slight odour. This carbon dioxide is not harmful and the odour should disappear quickly once the salad package is opened.
Step 3. Photo Credit Stephanie Loaiza/Demand Media. Remove the separate lettuce leaves by hand, if desired, and pat each dry with paper towels or use a salad spinner to free the leaves of as much water as possible. Use paper towels to pat dry the outside of the head of lettuce if you plan on storing it whole.