The Pros

Of all your meals and snacks, if fruit, vegetables, lean protein, whole grains, healthy fat and dairy you’re off to a great start. Variability in your diet including all the important food groups is critical. About 90% of Americans don’t get enough recommended daily amount of vegetables and 85% don’t get enough of the recommended daily amount of fruit, as noted from the most updated Dietary Guidelines for Americans.

Repetition and balance in your daily meal plans is good practice when it comes to meal preparation and planning. Having a healthy plan in place allows you to be prepared and not eat foods when you’re bored that you’re not even hungry for.

Other research does suggest a non-diverse diet is also a great alternative. A study from 2015 highlighted diet quality and variability in over 5K adults and found that the more diverse diet was associated to a greater waist circumference and a higher quality diet was associated with a lower risk of Type 2 Diabetes. Diversity in eating didn’t necessarily lead to a higher quality diet or better metabolic health.  

The Cons

But it’s important to think on the other side because if your daily diet is balanced, it probably doesn’t contain everything you need. There’s really no way you can meet dietary requirements by eating the same thing every day. Variety is essential to a healthy, balanced diet.

Studies have found health benefits associated with eating a more varied diet. A 2015 study, for example, examined the diets of over 7,000 adults who were at least 20 years old. It concluded that greater food variety was associated with a lower risk of metabolic syndrome compared to those who consumed a less varied diet.

The Bottom Line

Eating different foods is important, what’s more critical is what you choose to eat. A notable research study from 2002 evaluated healthy and less-healthy foods and how it affect mortality in close to 60,000 women.

A woman who followed a healthy diet by eating a high variety of fruits, vegetables and whole grain breads, cereals, fish and low-fat dairy products had lower mortality than women who consumes fewer of these foods.