Parkinsonism is a term used to refer to a series of neurological disorders that are typified by bradykinesia, rigidity, resting tremor, and postural instability. Parkinson's disease is the most ...

The latest Vision Pro headset boosts processing power and improves comfort. Photo: Leander Kahney/Cult of Mac A chaotic rollout, undertrained staff and a $3,500 headset nobody could sell: a new book ...

This is read by an automated voice. Please report any issues or inconsistencies here. Nearly every California county saw a drop in children’s eye exams over the past decade, a new report finds. One ...

When Kekoa Gittens was 3, his preschool teacher told his mother he was a problem. He couldn’t sit still. He didn’t participate. When other kids learned the alphabet, he didn’t pay attention. The next ...

This story was originally published by CalMatters. Sign up for their newsletters. When Kekoa Gittens was 3, his preschool teacher told his mother he was a problem. He couldn’t sit still. He didn’t ...

Nearly every California county saw a drop in children's eye exams over the past decade, a new report finds. One boy's teachers thought he was disruptive. He just couldn't see the board. Welcome to ...

A virus that ordinarily affects marine animals has caused glaucoma-like symptoms and even irreversible vision loss in a small but growing group of people in China. This is the first known time that a ...

Every day, New Yorkers receive a staggering 2.3 million packages at their doorstop. Nearly 90% of those goods snake through the city on trucks that cause traffic congestion and pollute the air on the ...