Key points from article :
Red wine can increase the number of different useful bacteria that lives in the gut.
Contains polyphenols which are also found in many foods and vegetables.
Helps maintain a healthy weight and reduces heart disease risk.
Even red wine should be consumed in moderation regardless of this one beneficial effect.
This study involved thousands of participants from UK, the US and the Netherlands.
Research by King's College London, published in the journal Gastroenterology.
