We’ve known that bacteria live in our intestines as far back as the 1680s when Leeuwenhoek first looked through his microscope. Yogurt companies use that information in the sales pitch for their product, claiming it can help…
We’ve known that bacteria live in our intestines as far back as the 1680s when Leeuwenhoek first looked through his microscope. Yogurt companies use that information in the sales pitch for their product, claiming it can help…