09/08/2025
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Skipping your nightly brushing routine could be far more dangerous than you think. A groundbreaking study of over 1,500 hospitalised adults has revealed that not brushing your teeth before bed significantly increases your risk of heart disease and even early death.
Researchers found that brushing only in the morning offered far less protection. In fact, those who brushed at night had nearly a 45 percent lower risk of cardiovascular events compared to non-brushers. The group who brushed only at night had the best overall health outcomes, with survival hazard ratios between 0.55 and 0.59.
Why does it matter so much? When you sleep without brushing, oral bacteria thrive and enter the bloodstream, setting off systemic inflammation. This chronic inflammation silently damages blood vessels and increases the risk of heart attacks, strokes, and other fatal events.
Smoking made things even worse, especially when paired with skipping brushing at night.
Experts say your bedtime brush isn't just about avoiding plaque and fresh breath. It's a powerful, preventative act of self-care that could literally extend your life.
So the next time you're tempted to crash without brushing, remember this: your toothbrush might just be your heart's best defence.
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