There are some sneaky food mistakes you could be making daily that could be affecting your health. Dirty food habits tend to cause a variety of unhealthy side effects. Many of us wait too long in between meals. This can set up a failure to eat in a controlled manner at your next meal. To avoid waiting too long, eat a nutritious snack or meal every four hours. One of the biggest food mistakes is not paying attention to how much we're snacking throughout the day.