5. Complete cooking: Actually food should be always completely cooked. Raw foods or uncooked foods can contain bacteria and other harmful substances. So while cooking checks carefully that the food is cooked completely.
6. Expired Food: Packed food contains an expiry date in the package. Before using or eating eats remember to check the expiry date. If it is out of date then never ever eat that food. It can really be very dangerous for you. Sometimes it becomes poisonous.