a. Culture determines when you eat and what you are allowed to eat. for example in the islamic culture people are prohibited from eating pork
b. Religion will also dictate what you eat, Christians will traditionally eat a huge feast at Christmas. During Diwali Hindus will eat samosas and rice kheer
c. Economic status will determine what you can afford to eat and how much you can eat. people living in poverty might only eat one meal a day and its probably not that nutritious
