Dietary links to hypertension risk reduction

Scientific studies have identified links between the consumption of specific plant-based foods and a reduced risk of hypertension.

An analysis published in the British Journal of Nutrition involving 143,000 adults found that daily nut consumption, such as walnuts, almonds, and pistachios, is associated with lower hypertension risk. Researchers noted that a 28-gram daily serving was linked to a 20% lower risk, while a 30-gram intake was associated with a 26% reduction compared to non-consumers.

A systematic review and meta-analysis of 143,380 adults aged 18 to 87 further detailed these findings, noting that individuals with the highest nut consumption had a 16% lower relative risk compared to those with the lowest consumption. While a 30-gram daily intake correlates with a 26% reduction, researchers observed that benefits appeared to stabilize beyond that amount.

These nutritional benefits are attributed to essential components such as unsaturated fats, fiber, plant protein, magnesium, and potassium, which support vascular function and blood pressure regulation. However, researchers emphasized that hypertension is also influenced by age, genetics, weight, physical activity, and overall diet.

Subsequent research published in the BMJ involving over 300,000 participants found similar benefits regarding legumes and soy. High intake of legumes was associated with a 16% lower risk of hypertension, while high soy consumption was linked to a 19% lower risk.