Smoldering spots in the brain may signal severe MS

Aided by a high-powered brain scanner and a 3D printer, researchers peered inside the brains of hundreds of multiple sclerosis patients and found that dark rimmed spots representing ongoing, ‘smoldering’ inflammation, called chronic active lesions, may be a hallmark of more aggressive and disabling forms of the disease.
Source: Science Daily, https://www.sciencedaily.com