neurology

How amyloid plaques, tau tangles, and neuronal death drive Alzheimer's—plus new blood tests, FDA-approved drugs, and prevention evidence.

How varicella-zoster virus causes chickenpox, hides in nerve ganglia for decades, and returns as shingles, plus what Shingrix trials showed about prevention.

Tick-borne encephalitis is a flavivirus infection mainly spread by Ixodes ticks. Three subtypes, a two-phase illness, effective vaccines, and why cases keep rising.

Japanese encephalitis virus spreads from pigs and herons through Culex mosquitoes. Learn the burden, symptoms, vaccines, and real traveler risk.

Enterovirus D68 usually causes cold-like illness but can severely worsen asthma and, rarely, is linked to polio-like paralysis (AFM). Evidence explained.

How poliovirus infects the gut, destroys spinal motor neurons, and why wild type 1 and vaccine-derived strains persist, with 2026 case data from GPEI.

West Nile virus: mosquito transmission, bird reservoirs, neuroinvasive disease, the 1999 NYC outbreak, and why no human vaccine exists yet.

Humans are individuals, but consciousness could theoretically be networked. What if technology allowed direct brain-to-brain communication, shared thoughts, and merged consciousness? A human hive mind would be radically more efficient — but would also eliminate individuality, privacy, and the diversity of thought that drives innovation.