Bananas may be rich in potassium, but avocados have even higher levels of potassium, almost double. High potassium intake also reduces the risk of heart attacks, high blood pressure, and kidney failure.

Protect Your Eyes

Avocados are rich in antioxidants that absorb light waves that can harm your vision. People who eat avocados are less likely to have age-related macular degeneration, the leading cause of blindness in older age. 

Fiber helps you feel full, so you're less likely to overeat. And although avocados are high in healthy fat. Avocados are rich in fiber and low in carbs which is why they promote weight loss.

In a cup of avocado slices, you'll get 118 micrograms of folate. People who don't get enough of this B vitamin could be more prone to depression. Folate also plays a role in preventing birth defects.

Avocados give you a good dose of vitamin E, which may help protect against Alzheimer. This may have to do with vitamin E's antioxidant properties -- it can help fight cell damage caused over time by the pollution and the radiation from the sun etc..

Avocados are loaded with fibers that may help prevent constipation, boost digestion and colon health. Fiber adds bulk to the stool, which facilitates bowel regularity, thereby enhancing digestion.