Let the battle of the thermostat begin. Now that the evenings have grown dark and chilly, most people have switched on their central heating. But many are keeping the temperature low to save on fuel bills, which are expected to rise by 42 per cent this year. Home heating can spark fierce disagreement in couples. Some people sneakily crank up the thermostat when their partners aren't looking; others wear woolly hats and gloves indoors as an ostentatious protest at the temperature of the room.
Some people, it seems, feel the cold more than others. But why is this and is there anything we can do about it?