Heart transplantation

Britain’s National Health Service (NHS) started in 1948 with the mission that no person is “denied medical aid because of lack of means.” Today, on its 72nd birthday, it is the 5th largest employer in the world and has pioneered everything from heart transplants to IVF babies.

One or both of my sons might need a lifesaving donor like mine

11-year-old Sofia Sanchez caught the rapper's attention after she did the Kiki Challenge.