You will lose a pound if you burn 3500 more calories than you take in. This is one of the bottom lines in weight loss but whether or not you are actually burning 3500 calories varies from person to person with the same activity.
A dog can survive without eating for 14 days, procided day wouldn't be in good shape and health.
How long can a goldfish live without eating? You may be planning for a holiday and maybe wondering how your goldfish can survive when your are not around. It has been proven that goldfish can take around 8 days to two weeks without food and still be fine.