Blastocystis is a common single-celled organism found in the human intestine, but its effects on health remain uncertain. While some studies associate it with gastrointestinal symptoms and inflammation, others link its presence to greater gut bacterial diversity and plant-rich dietary patterns. Researchers believe its effects may depend on its genetic subtype, the host’s immune system, and interactions with other gut microbes. Laboratory studies suggest that certain subtypes can influence intestinal barrier function and inflammatory responses, but these findings do not establish consistent benefits or harm in humans. Scientists are investigating whether Blastocystis actively shapes the gut ecosystem or simply thrives in an already diverse microbiome. Its presence alone does not necessarily indicate disease.
Read more at NewsMedical