BBCNEWS BBC News September 13, 2021 09:20:00
Throat for example, have historically been hard to spot. so what this blood test does is it works by spotting chemical changes in tiny fragments of genetic code that leakfrom tumours into the bloodstream. so what is happening today is that letters have been sent out to try and recruit around 140,000 volunteers between the ages of 50 and 77 right across england from different backgrounds and different ethnicities and they are being asked to give a very simple blood test and then there will be a f...
Source: archive.org