In rural China, adults aged 16 and older who follow a low-sodium diet show larger drops in blood pressure if they are women compared to men, with average reductions of 8.1 mmHg systolic and 4.5 mmHg...

We analyzed one assertion on this topic and found that, in rural China, women on a low-sodium diet showed slightly larger drops in blood pressure than men. On average, women saw a reduction of 8.1 mmHg in systolic pressure and 4.5 mmHg in diastolic pressure, while men saw reductions of 7.0 mmHg and 3.4 mmHg, respectively [1]. This single observation suggests that, in this specific population, women may experience somewhat greater blood pressure benefits from reducing sodium intake. We did not find any studies that contradict this pattern, but we also have no other data from different regions, age groups, or health conditions to compare. The evidence comes from one group of adults in rural China, and we don’t know if the same pattern holds for women in urban areas, older adults, or people with existing high blood pressure. Sodium sensitivity can vary based on genetics, activity levels, and other dietary habits, but none of those details were included in the available information. Because we only have one assertion to work with, we can’t say whether this difference is consistent across other populations or if it’s unique to this setting. The evidence we’ve reviewed so far leans toward women in this group experiencing slightly larger reductions, but we don’t have enough data to know why or how generalizable this might be. If you’re considering lowering sodium for better blood pressure, the most important step is reducing processed foods and added salt — whether you’re male or female, cutting back tends to help.