1. Bananas and Blood Sugar Spikes
The main concern with bananas is their high carbohydrate and natural sugar content. A single medium banana contains about 27 grams of carbs, most of which are sugars. Once eaten, these sugars are quickly converted into glucose, causing blood sugar to rise.
For people with diabetes, these spikes can be dangerous. Doctors stress that stable blood sugar is essential for preventing complications such as:
- Nerve damage (neuropathy)
- Kidney disease (nephropathy)
- Eye problems (retinopathy)
- Cardiovascular disease
Since bananas are ranked in the medium-to-high range on the glycemic index (GI), they can cause blood sugar to rise more quickly than lower-GI fruits like berries or apples. That doesn’t mean they must be avoided completely—it simply means they must be handled carefully.
2. Hidden Calories and Weight Gain
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