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Evidence Review

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Can nicotinamide supplements lower blood pressure?

Could something as simple as supplementing with nicotinamide be an effective way of reducing blood pressure? Rod Tucker looks at a recent analysis which examined this question in more detail

04 Jun 2026

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Should people with AF avoid coffee?

Caffeinated coffee is often considered proarrhythmic and general advice is people with arrythmias, such as atrial fibrillation, should avoid it. However, a recent study has challenged this premise. Rod Tucker takes a closer look at the findings.

08 Apr 2026

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