Kate visits hospital where she was treated for cancer　◆　The Most Promising New Cholesterol Drug Didn’t Work. Now What?　◆　I’m an Infectious Disease Doctor. Here’s the Problem with “Doing Your Own Research” on Vaccines　◆　Mum 'lost trust' in surgeon review hospital　◆　How hunger for a new weight-loss drug is feeding an industry of fakes　◆　Flu vaccine rollout begins as NHS regroups from 'busiest summer'