Robert F. Kennedy Jr. explains why his voice sounds raspy and strained, causing difficulty when he speaks. Here's more about spasmodic dyshphonia ...

He is one of eight new members of the CDC’s Advisory Committee on Immunization Practices, replacing the 17 former members whom Robert F. Kennedy Jr. relieved of their duties on Monday.

The most powerful public health official in the US is reviled by some medics - but even some of his critics accept that he is ...