Most of us think of orange juice as a simple breakfast habit, something you pour without much thought. Yet scientists are discovering that this everyday drink may be doing far more in the body than quenching thirst.

A recent study has shown that regular orange juice consumption can influence the activity of thousands of genes inside our immune cells. Many of these genes help control blood pressure, calm inflammation, and manage the way the body processes sugar, all of which play an important role in long-term heart health .

The study followed adults who drank 500ml of pure pasteurised orange juice every day for two months. After 60 days, many genes associated with inflammation and higher blood pressure had become less active.

These included NAMPT, IL6, IL1B and NLRP3, which usually s

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