FDA Considers Making Narcan Opioid Overdose Antidote Available Without Prescription View Reddit by SPIRIT_SEEKER8 – View Source Post navigation What are ‘Blue Zones,’ and do they really hold the secrets to a longer life? Purple vegetables and tubers, such as potatoes, carrots and red cabbages, have antidiabetic properties. The color pigments in these vegetables called anthocyanins can reduce the risk of diabetes by affecting energy metabolism, gut microbiota, and inflammation.