Water that has been brought to a boil is safe enough, and boiling remains the best method of making contaminated water safe. Most weird foods will be safe to eat no matter how unaesthetic they may appear once they have been well cooked and are served hot. If you are in doubt about the safety of a new or weird food, ask locals about it, and do not overindulge yourself at first. Squatting is very good for the hip joints and is the proper physiological position for moving the bowels. Practice at home before you depart.
Any clear fluid is good for rehydrating but mixtures of sweet and salt are best.
Bananas help slow diarrhea, are easily digested, and contain lots of potassium. 2000 Travelers' Tales, Inc.