AstraZeneca and Bristol in merger talks   •   New York advances assisted dying legislation   •   Heart transplant candidates fail if they get too weak, new program tries inpatient prehab   •   Ebola Outbreak Nears Grim Milestone   •   Novo setback, Replimune melanoma drug support   •   AstraZeneca and Bristol in merger talks   •   New York advances assisted dying legislation   •   Heart transplant candidates fail if they get too weak, new program tries inpatient prehab   •   Ebola Outbreak Nears Grim Milestone   •   Novo setback, Replimune melanoma drug support   •