ADHD

The 27-year-old is in a relationship with fellow England prop Sarah Bern and has been diagnosed with ADHD.

That's the word used to describe people whose brains work differently to others, sometimes as a result of conditions like autism or ADHD.

"Oftentimes there is no information on what the risks are if you don't treat ADHD," said Prof Samuele Cortese, study author and professor of child and adolescent psychiatry at University of Southampton.

"I'm ADHD," Emily says, "so I would definitely need a lot more than one of those drinks to calm me down."

Kennedy mentioned diabetes, rheumatoid arthritis, seizure disorders, ADHD, speech delay, language delay, tics, Tourette syndrome, narcolepsy, peanut allergies and eczema.