Health benefits of fully ripe bananas:
"According to Japanese Scientific Research, fully ripe bananas with dark patches on yellow skin produce a substance called TNF (Tumor Necrosis Factor) which has the ability to combat abnormal cells. The more darker patches it has the higher will be its immunity enhancement quality; Hence, the riper the banana the better the anti-cancer quality. Yellow skin banana with dark spots on it is 8x more effective in enhancing the property of white blood cells than green skin version. Eating 1-2 banana/s a day increases immunity."