Cancer Detection: New Blood Test

Cancer can now be detected three years before diagnosis - scientists from Johns Hopkins have created a blood test that finds tumors long before their appearance. Researchers read early traces of cancer in the DNA of white blood cells when the immune system is just beginning to respond to the disease. This discovery allows for treatment at the earliest stages - the disease won't have a chance to cause serious damage. Key point: the technology relies on DNA analysis and AI, which could completely change the approach to diagnosis in the coming years.