How does a diet high in salt affect asthma symptoms?

A diet high in salt can negatively impact asthma symptoms due to the inflammatory response it may trigger in the body. High sodium intake is known to promote hypertension and can lead to an increase in inflammation, which can exacerbate conditions like asthma. In individuals with asthma, inflammation in the airways is a key factor that can narrow the air passages and make breathing more difficult.

Moreover, high salt intake might also influence the body’s fluid balance. Excess sodium can lead to increased fluid retention, which may contribute to the swelling of airway tissues and further complicate respiratory issues.

In the context of asthma, maintaining an anti-inflammatory diet is essential, and excessive salt does not align with that principle. It is crucial for individuals with asthma to monitor and potentially limit their sodium intake to help manage their symptoms effectively. Thus, a high-salt diet is linked to an increase in asthma symptoms rather than a decrease or improvement in lung function.