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123RF Those afflicted with the condition - called the New Brunswick Cluster of Neurological Syndrome of Unknown Cause, for now - have ranged in age from 18 to 85 (file photo). Alier Marrero is stumped. For years, the neurologist in Moncton, New Brunswick, has seen patients with symptoms common to Creutzfeldt-Jakob disease, a fatal brain disorder that affects one in 1 million people each year. But diagnostic testing for the rare neurodegenerative syndrome keeps coming back negative, more patients with similar symptoms have turned up each year, and Marrero hasn't found another cause. Federal ...

increase font size Mysterious, devastating brain disorder afflicts dozens in New Brunswick Across the border in Maine, officials say their disease surveillance and epidemiology teams learned about the cluster in March, but no cases have been reported there. By Amanda ColettaThe Washington Post Alier Marrero is stumped. For years, the neurologist in Moncton, New Brunswick, has seen patients with symptoms common to Creutzfeldt-Jakob disease, a fatal brain disorder that affects one in 1 million people each year. But diagnostic testing for the rare neurodegenerative syndrome keeps coming back n...

A mysterious, devastating brain disorder is afflicting dozens in one Canadian province Amanda Coletta Alier Marrero is stumped. For years, the neurologist in Moncton, New Brunswick, has seen patients with symptoms common to Creutzfeldt-Jakob disease, a fatal brain disorder that affects 1 in 1 million people each year. But diagnostic testing for the rare neurodegenerative syndrome keeps coming back negative, more patients with similar symptoms have turned up each year, and Marrero hasn’t found another cause. Federal public health officials last year identified the cas...

Symptoms include hallucinations, muscle and brain atrophy and Capgras delusion, a belief that family members have been replaced by impostors.

Michelle Sogge enjoyed hiking before contracting COVID-19. Courtesy of Michelle Sogge Michelle Sogge says when she tested positive for COVID-19 on June 18, she expected she’d need some recovery time. She didn’t foresee being short of breath six months later.  “Up until I got COVID, I was very healthy,” she said. “I was running 10Ks, I was climbing mountains that were 13,000 feet high.” But three months later, long after she stopped testing positive for the virus, the 25-year-old was still struggling to walk around the backyard. “I just couldn't do it,” she said. “I couldn't...