Selective serotonin reuptake inhibitors (SSRIs), the most common class of antidepressant drug in the UK, are relied upon by one in eight Brits dealing with mental health issues.Selective serotonin reuptake inhibitors (SSRIs), the most common class of antidepressant drug in the UK, are relied upon by one in eight Brits dealing with mental health issues.Read MoreHealth News | Mail Online