Exploring the Connection Between H. pylori and Hair Loss: Insights from Blood An

Helicobacter pylori (H. pylori) is a type of bacteria that primarily affects the stomach lining, but its impact can extend beyond the digestive system—including contributing to hair loss. Chronic H. pylori infection can lead to poor nutrient absorption, especially of key hair growth nutrients like iron, B12, and zinc. This deficiency weakens the hair follicles over time, resulting in thinning or excessive shedding. Additionally, the ongoing inflammation and immune stress caused by H. pylori may trigger or worsen autoimmune-related hair loss conditions such as alopecia areata. Addressing H. pylori through proper testing and treatment can significantly improve gut health, nutrient levels, and ultimately support healthier hair growth. About 100 million to 130 million Americans carrying the bacterium, though most remain asymptomatic and are never aware of the infection.

Prevalence varies widely: infection rates rise with age and are significantly higher among Hispanic and Black populations, with approximately 36–40% positivity, compared to about 20% prevalence in non-Hispanic White people.