Kaiser Permanente and Geisenger Health Systems are leading the way towards using health records for medical studies and data mining that could help improve individual care; more than 7000 people on Arkansas' Medicaid expansion didn't meet a requirement that they report at least 80 hours of work in June; Novartis' relationship with Michael Cohen, President Donald Trump’s longtime lawyer, was “longer and more detailed” than the company has said, according to a Senate report.