HealthFixed by light: Flick a switch to banish pain and blindness Parkinson's, blindness, chronic pain and more could all be cured using optogenetics – a revolutionary therapy that has just begun its first trial in humans Features
LifeAlzheimer’s may be caused by brain’s sticky defence against bugs The amyloid plaques associated with Alzheimer’s disease may be the brain’s way of trapping invading microbes that have crossed the blood-brain barrier News