Why is it that a disorder that affects the brain can be diagnosed with a skin biopsy? Elizabeth Tracey reports

The rare brain disorder abbreviated CJD, for Creutzfeldt-Jakob disease, can be diagnosed with two or more skin biopsies, a recent study shows. Johns Hopkins neurologist Ted Dawson says the fact that what causes the disease, a particle smaller than a virus … Why is it that a disorder that affects the brain can be diagnosed with a skin biopsy? Elizabeth Tracey reports Read More »