3. Bananas support a good mood. Bananas don't just look like smiles; they promote them because they contain 6% of your daily value of vitamin B9, (also known as folate), a nutrient that may fight depression by boosting a substrate that has antidepressant properties, according to the NIH. In other words, it helps serotonin, the feel-good chemical, enter the brain faster. A study in the Indian Journal of Psychiatry asserts that patients with depression have blood folate levels that are, on average, 25 percent lower than healthy folks' levels. Some doctors recommend increasing folate intake if you're taking anti-depressants, to boost their effects. https://www.msn.com/en-us/health/nutrition/17-amazing-side-effects-of-eating-a-daily-banana/ss-AAVjxW4#image=4