Bananas contain natural sugars giving an instant, sustained and substantial boost of energy. It can also help overcome or prevent a substantial number of illnesses and conditions such as the following:

Depression: According to a recent survey undertaken by MIND, many felt much better after eating a banana because it makes you relax and improve your mood.

Post Menstrual Syndrome (PMS): Banana contains vitamin B6 that regulates blood glucose levels, which can affect your mood.

Anemia: Bananas is high in iron that stimulates the production of hemoglobin in the blood.

Blood Pressure: Banana is extremely high in potassium yet low in salt, making it perfect to beat blood pressure.

Brain Power: Research has shown that the potassium-packed fruit can assist learning by making pupils more alert.

Constipation: Banana is high in fiber that helps restore normal bowel action, helping to overcome the problem without resorting to laxatives.

Hangovers: One of the quickest ways of curing a hangover is to make a banana milkshake, sweetened with honey. The banana calms the stomach and with the help of the honey, builds up depleted blood sugar levels, while the milk soothes and re-hydrates your system.

Heartburn/Ulcer: Bananas have a natural antacid effect in the body. It also neutralizes over-acidity and reduces irritation by coating the lining of the stomach.

Morning Sickness: Snacking on bananas between meals helps to keep blood sugar levels up and avoid morning sickness.

Mosquito bites: Rubbing the affected area with the inside of a banana skin can reduce swelling and irritation.

Nerves: Bananas are high in Vitamins B that helps calm the nervous system.
Overweight and at work: Banana is a high carbohydrate food that can control blood sugar levels, helping us to avoid panic-induced food cravings.

Temperature control: Bananas is a "cooling" fruit that can lower both the physical and emotional temperature of expectant mothers.

Smoking & Tobacco Use: Banana has B6, B12, potassium, and magnesium that helps the body recover from the effects of nicotine withdrawal.

Stress: Banana is high in potassium which helps normalize the heartbeat, sends oxygen to the brain and regulates body's water balance.

Strokes: According to research in "The New England Journal of Medicine, 'eating bananas as part of a regular diet can cut the risk of death by strokes by as much as 40%!

Warts: Banana skin could possibly kill the warts. Take a piece of banana skin and place it on the wart, with the yellow side out. Carefully hold the skin in place with a plaster or surgical tape.

Therefore, indeed banana is a natural remedy for many ills. When you compare it to an apple, it has four times the protein, twice the carbohydrate, three times the phosphorus, five times the vitamin A and iron, and twice the other vitamins and minerals. It is also rich in potassium and is one of the best value foods around. Maybe it’s time to change that well-known phrase so that we say, "A banana a day keeps the doctor away!"

Reference: www.finetuneyou.com/banana