those protestors greeted republican senators today when they headed to the white house to meet with president trump about the republican senate health care bill. joining us now, dr. gwanda a harvard staff writer for the new yorker. i know you have studied the effects of having health coverage on long-term health what do we know. what we ve learned is a few things. almost immediately upon getting coverage people start to get access to primary care, preventative care, also needed medicines, more likely to get a regular source of care abneeded smgss and chronic illness treatment. the result is they have improved health pretty quickly. overall health and get better outcomes. then four or five years into it.