René van den Berg of Ontario, Canada, was hospitalized for 11 days after contracting West Nile virus, a mosquito-borne ...

Learn about severe head pain red flags that require emergency care. Recognize symptoms of life-threatening conditions like stroke or hemorrhage and when to seek help.

Ear infections in dogs, especially yeast infections, are often a symptom of an underlying issue, not the primary disease. Common underlying causes include allergies (both food and environmental), ...

Cryptococcal meningitis (CM) is a serious central nervous system (CNS) infection primarily affecting immuno-compromised individuals, including cancer patients. Although rare in oncology populations, ...

Scientists at UCSF have uncovered evidence that multiple sclerosis silently damages the brain years before diagnosis. By studying proteins in blood samples, they identified early immune signals and ...

In the human brain, neurofilament light chain (NfL, shown in brown) is seen in brain cells and the neural wires that connect them. UCSF researchers found NfL in the bloodstream of patients who would ...

Summary: Researchers have traced the earliest stages of multiple sclerosis (MS), showing that the immune system begins attacking the brain up to seven years before diagnosis. By analyzing over 5,000 ...

Ryan Duffy was 18 when he contracted Streptococcus Pneumoniae Meningitis. A Pennsylvania high school student died from bacterial meningitis, according to the local school district. Ryan Duffy, 18, a ...