Nearly two thirds of people in Wales in their early 40s are overweight or obese, according to new research by the University of London.
The results show that 37% of adults were overweight by the age of 42, with 26% obese.
Men are more likely than women to have a weight problem, but are less likely to realise it.
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The star celebrates beating Justin Bieber into second place as her song becomes a hit again after a performance at the total solar eclipse.
Later in the night cloud will thicken bringing hill fog, mist and some patchy drizzle by the early hours.
The Welsh singer sang her infamous track during yesterday's solar eclipse.