National Blood Week runs this week and efforts are being made to raise awareness of the important role blood donors play in saving lives.
A quarter of people will need a blood transfusion at least once in their lives but only 4% of people are registered and regularly donate.
Ian Payne spoke to Jon Latham from the National Blood Service to find out why so many people are needed to give blood.
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Longest cold spell of winter so far. Mainly dry and bright, but feeling bitterly cold today. Very wintry further east, blizzards possible
Mountain Rescue has seen a 5% increase in rescues and with the current conditions they're advising people to take extra care.