Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Formulate a hypothesis for why white foods may be unhealthy

### Response:
White foods such as white bread, pasta and potatoes are often heavily refined and processed which can rob the food of essential nutrients. As a result, these foods are often low in vital minerals, vitamins and dietary fibre which can lead to a poor diet and an unhealthy lifestyle.