As Christmas approaches, a surprising health tip from the late Dr. Michael Mosley has gained renewed attention. In an episode of BBC Radio 4’s Just One Thing, Dr. Mosley highlighted the remarkable benefits of dark chocolate, recommending it as a delicious way to support heart and brain health.
According to Dr. Mosley, just two squares of dark chocolate daily—preferably with high cocoa content—can significantly improve cardiovascular health, enhance metabolism, and boost brain function. Unlike milk or white chocolate, dark chocolate is rich in flavonoids, powerful plant compounds that promote better blood flow and reduce LDL cholesterol levels.
Dr. Mosley referenced studies of the Guna people from Panama, whose long lives and stable blood pressure were linked to consuming large amounts of unsweetened cocoa daily. Flavonoids, found abundantly in cacao seeds, as well as in fruits and vegetables like strawberries and onions, are believed to be at the heart of these benefits.
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Professor Aedin Cassidy of Queen’s University Belfast also supports this, with research showing that flavonoid-rich dark chocolate can improve blood vessel elasticity, insulin sensitivity, and cholesterol control, particularly in women with Type 2 Diabetes.
However, moderation is key. Overindulgence in chocolate can raise blood sugar and lead to weight gain, which would undermine its health benefits. Dr. Mosley advises replacing sugary snacks with just two squares of high-quality dark chocolate a day.
He also cautions against Dutch-processed chocolates, which lose much of their flavonoid content due to processing that reduces bitterness. For the best results, choose unprocessed dark chocolate with at least 40% cocoa, gradually increasing as your palate adapts to the bittersweet flavor.
This festive season, consider gifting or enjoying dark chocolate as a tasty, health-boosting stocking filler—a treat that’s as good for your heart as it is for your taste buds.