The authors also found that antibiotic use was associated with even higher risk for mental illness. This connection is thought to be, in part, because antibiotics affect bacteria in the intestinal microbiome.
The study — which supports emerging theories about the functional interaction between infection, the gut microbiome and mental illness — is one of close to 50 papers published using data from the Danish Psychiatric Central Research Register since the latter half of 2018.
This number is growing: around 50 million people live with dementia today, and this number will rise to over 130 million worldwide by 2030.
You do not have to wait until you are 65 to take action. In the absence of treatment, we must think of ways to protect our brain health earlier. This month is Alzheimer’s Awareness month — what better time to learn how to reduce your risk of dementia, whatever your age?