Steve Young is part of the tests to see if an mRNA jab can stop the deadliest skin cancer returning.
The Southern Health Trust says the move is not out of concern but to provide extra assurance.
The World Health Organization also finds higher rates of drinking and vaping among teenage girls.
There were more than 12,000 UK deaths in the past decade, many of them needless, a charity warns.
The government wants to stop people smoking by raising the legal age limit for buying cigarettes.
The cost-of-living crisis is having an impact - but health concerns remain the top reason for quitting.
An online friendship between two mums led to a new kidney for five-year-old Destiny-Rae.
The number of under 65s struggling with poor health is rising - and it's a threat to the economy.
We asked some GPs what they thought of other professionals taking on their responsibility for sick notes.
Campaigner Andy Evans said it has raised awareness of those given infected blood products.