Killing the pain with happy pills
Painkillers could prevent anti-depressants such as Prozac from working properly, research suggests.
(Image: Dvortygirl, via Wikimedia Commons)
Selective serotonin reuptake inhibitors, or SSRIs, are prescribed to two million Britons a year, but many complain the "happy pills' do nothing to clear their depression. Now scientists may have worked out why.