Why blood is free
A few weeks ago, UK scientists reported that they had given laboratory-grown blood to humans for the first time ever. Their clinical trial is aimed at boosting the supply of very rare blood types, and helping those suffering from blood conditions such as sickle cell anaemia. Amazing, right? But it also got me thinking about how incredibly dependent the healthcare system is on the willingness of average citizens like you and me to roll up our sleeves and donate blood