India, Sept. 17 -- Dr Jay Jagannathan, a neurosurgeon, took to Instagram on September 16 and asked his followers: "Would you take this test if it could give you a warning sign years before symptoms?" His Instagram post highlighted the potential of the Neurofilament Light Chain (NfL) blood test in predicting brain diseases. He also listed ways to help you reduce the risk of neurological diseases. Also read | Habits that damage your brain health: Modern lifestyle routines you need to stop immediately

Dr Jagannathan titled his post: 'The blood test that predicts brain disease? It's not cholesterol'. He shared, "Neurofilament light chain (NfL) - a marker of nerve cell injury - is emerging as one of the most powerful predictors of brain healt...