The juice of half a lemon in hot water first thing in the morning is a time-honoured way to start the day, and is an excellent wake up call for the liver. The sourness of lemons triggers nerve and hormone activation to the liver and digestive system.
How to keep lettuce fresh and crisp - just put a paper towel with the lettuce in a gallon size zip lock bag. It absorbs the moisture that causes you lettuce to wilt. Then, leave about a opening to let veggie gasses escape (they rot the lettuce).