When you think about the cold causing damage to your body, you might picture scenes of mountaineers with icicles dangling from their noses - but worrying changes can happen in an unheated room at home.
Experts say that 10°C is the average temperature people will be living in if they can't afford to heat their homes.
But it is likely houses across the country are even colder amid the cost of living crisis and current single-figure temperatures as the UK faces more snowstorms on Thursday - after the coldest March temperature in more than a decade was recorded by the Met Office overnight.
