The UK Health Security Agency (UKHSA) has issued a health warning to Brits of a certain age amid a potentially dangerous turn in the weather . According to experts, a drop in temperatures could cause problems for some people aged 65 and over. An amber cold health alert (CHA) has been put in place by the UKHSA for the Yorkshire and Humber, North West and North East regions of England until Saturday, November 22. All other regions in England are under a yellow alert. In an update, the UKHSA