Blue fruits receive their colour from chemicals called polyphenols

They are usually high in anthocyanins, a group of phytochemicals that give off blue hues

Foods rich in anthocyanins are thought to reduce heart disease and your risk of obesity, type 2 diabetes, certain cancers, and other illnesses

Some kinds of blue-green vegetables and fruits can guard against cardiovascular disease, stroke, and certain cancers

Blueberries and grapes are crucial to car ageing because they help to produce healthful memories

This food also protects urinary tract function and maintains healthy digestion

Those with conscious interest in the protection of brain and nervous system from oxidative stress and inflammation