Having a slice of processed white bread toast with strawberry jelly for breakfast, which is high in simple sugar carbohydrates, can have the same effect. (healthyeating.sfgate.com)
For example, instant whole - grain oats are as unhealthy as overly processed white bread in that they quickly spike sugar levels in the bloodstream once consumed, promoting insulin - resistance, obesity and diabetes, according to research by David Ludwig at Harvard University. (livescience.com)
High - glycemic foods such as processed white bread, pastries, crackers, and cookies cause your blood sugar to spike soon after consuming them... and then crash quickly as well. (health.com)