Blood donors between 18 and 40 years-old are now in high demand, after donations rapidly declined by 50 per cent in 12 months.
Michelle Morris, a young donor from Leicestershire, told ITV Central that she Gives Blood because she knows that she's saving lives.
NHS Blood and Transplant Services are appealing for young people to donate blood, after seeing a 50 per cent donation decline in the last 12 months.
Over 100 people attended a Give Blood event at Broughton Astley Village Hall in Leicestershire today.
Holly Mason, Lead Donor Manager in Leicestershire, says that blood donations from young adults have rapidly declined in the last decade.
Nicola Grantham from Nuneaton lost a lot of blood after giving birth to her daughter. She says "I might not have been here if it wasn't for that blood."
NHS Blood and Transplant service says more people are needed to donate blood which could help save lives.
Holly Mason from the NHS Blood and Transplant service says there are concerns that fewer people will donate blood this year because of major events like the Olympics.