Research has shown that drinking alcohol protects against heart disease.
Both red and white can have a positive effect on the arteries, thanks to the nutrients in grapes, not alcohol.
Experts say the key ingredient is polyphenols, which are also found in vegetables and grains.
Dr Rudolf Schutz of Anglia Ruskin University, after comparing the disease rates to 446,000 people, came to this conclusion, the details of which are stored in the UK Biobank database.
“There is an undeniable protective link between coronary heart disease and the use of both red and white alcohol,” he said.
“However, it is not seen with other heart diseases.
“This relationship is also seen for alcohol-free alcohol, so it shows that the benefits are due to polyphenols rather than alcohol.”
Dr Schutz told the British Science Festival that 14 units of NHS alcohol guidelines a week were not safe because any amount of alcohol could damage the heart.