Almost half of US states have declared emergencies as officials warn of "life threatening conditions" that could affect 180 million people.

Most Memphis-area schools and colleges have canceled in-person classes on Monday due to lingering frigid temperatures and icy roadways.

An estimated 60% of patients with Alzheimer's disease develop epilepsy or subclinical epileptiform activity over the course of the disease. New-onset seizures in cognitively healthy adults also ...