Scientists found that three or more handfuls of strawberries or blueberries each week reduced the risk of heart attack in women by up to a third.
Both fruits contain flavonoid plant compounds that appear to combat blocked arteries, say the researchers.
The study involved 93,600 participants in the 'Nurses' Health Study II', a major US investigation of women's health.
COMMENT RULES: Comments that are judged to be defamatory, abusive or in bad taste are not acceptable and contributors who consistently fall below certain criteria will be permanently blacklisted. The moderator will not enter into debate with individual contributors and the moderator’s decision is final. It is Belfast Telegraph policy to close comments on court cases, tribunals and active legal investigations. We may also close comments on articles which are being targeted for abuse. Problems with commenting? firstname.lastname@example.org