An oral drug widely used to treat high blood sugar levels may improve symptoms for people suffering with a common inherited form of autism new research shows. The findings showed that the drug -- metformin -- improved sociability and reduces symptomatic behaviours in adult mice with a form of Fragile X syndrome -- a genetic disorder that causes intellectual disability behavioural and learning challenges. The disorder affects around one in 4000 boys and one in 6000 girls. These findings are particularly important as metformin is a commonly used drug for other conditions so we already know a lot about its
