The Role of the Immune System in Health and Disease

In 2011, Premisal Bursik of the Far and Come Family Digestive Health Institute in Artario showed the drastic effect the microbiome can have on the personalities of mice. He gave a mousetran called Balb C antibiotics to see if their personalities would change. The treatment also increased the expression of brain-derived neurotropic factor or BDNF. When these mice were taken off antibiotics, they lost their sense of adventure and became timid once again.