Is the likely next US health secretary a crank? Trump’s appointment of conspiracy theorist Robert F Kennedy Jr has alarmed medical experts. But some think, on certain issues, he may have a point.
The very strange beliefs of RFK Jr

Glossary
Autism - A condition characterised by difficulty in social interaction and communication. According to the World Health Organisation, 1 in 160 children has an autism disorder.
IQ - A means of measuring human intelligence. A person’s IQ is usually ascertained by making them sit a standardised test. Some have criticised these tests as a means of evaluating intelligence, claiming that they ignore much of what it means to be intelligent.