Five risk factors explain 50 per cent of cardiovascular risk at age 50, according to a new study.  Addressing those risk factors can add years to your life, even if you address them in middle age.  Also, the UK demonstrates a cutting edge IVF technique is effective at avoiding mitchondrial disease.  ADHD treatment has real world positives, but the effects are lessening as more people get diagnosed.  And an update on how RSV vaccination in pregnant women is going, five months into the program.