Some examples of foods that increase blood sugar levels include pastas, sweet potatoes, packaged desserts and dried fruits, according to LiveStrong.com. Most professional nutritionists also suggest that sugary drinks such as sports drinks, sweet tea and fruit juice increase blood sugar levels.
A handful of raisins consist of more than 30 grams of carbohydrates, which is equivalent to 8 teaspoons of sugar. The same case applies to other dried fruits such as dried cranberries. Some fresh fruits such as sweet bananas and mangoes also contain high sugar content, claims SFGATE.com.
SFGATE further reveals that one large banana consists of 31 grams of carbohydrates, while a ripe mango fruit has up to 50 grams of carbohydrates. Other fruits such as pears and apples contain between 30 and 36 grams of carbohydrates, which is approximately 7 to 9 teaspoons of sugar.
Researchers from the Harvard School of Public Health recently found out that white rice worsens type 2 diabetes, but brown rice is healthier. Other types of food mentioned in the research, as reported by EverydayHealth.com, include white bread, red meat, fast foods, packaged snacks and whole milk. Whole milk was mentioned in the research due to its high saturated fats that lead to insulin resistance.