As human we all need food, in the present days busy scheduled life many of us are preferring to have food out side, it may be a restaurant p, fast food centres, street food etc. Before having food please ensure to see the environment of the place you are having, if its not neat avoid having there, try not to eat food Which is prepared with colour especially dont give it for children, also check with the chef in many street food centres you can see the chef, ensure he puts on his gloves, not only he also server, helper(who uses knive). Have your cool drink or any other drinks in disposable glass.