I read very interesting ariticle.
"Going bananas" is according to a professor of CCNY is coming from the effect of bananas on human brains.
Depression? Eat bananas!!!
Bananas contain Tryphtofan, a type of protein which our bodies convert into serotonin, which makes you relax, improve your mood and generally make you feel much happier ( I guess that is why monkeys are so happy all the time

)
High in Vit B - helps to come down your nerveous system...
PMS? Eat a banana!!! Vitamin B6 in bananas regulates your blood glucose which controls your mood swings...
Constipation? Including bananas in a diet can restore normal bowel action due to high fiber intake...
High Blood Pressure? This unique tropical fruit is very high in potassium, yet low in salt, making it perfect to beat high BP.
Mosquito bites? Rub the area with banana's skin (inside); helps to reduse swolleness and irritation.
Interesting, is in it?