Paralytic strokes can cause weakness or full paralysis depending on type and location. Learn what recovery involves and why fast treatment makes a difference.
Cognitive disorders rarely have a single cause. Learn how factors like protein buildup, vascular damage, genetics, and lifestyle habits can affect brain health.
Blazars are galaxies with powerful jets pointed directly at Earth, making them some of the brightest and most energetic objects we can observe in the universe.
Alu elements are DNA sequences that copy themselves throughout your genome, shaping human evolution while also contributing to genetic disease and neurodegeneration.