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Heavy TV watching associated with smaller brain structures, study finds

"Turn off that TV, it'll rot your brain!" has been a household refrain for decades. While "rot" might be too strong a term, researchers are finding that the overall sentiment could have some merit.

Researchers discover the eye's hidden cleanup system

Many of the world's leading causes of irreversible blindness, including glaucoma and age-related macular degeneration, share a common problem: the buildup of fluid, waste and inflammatory debris in the back of the eye.

Medical research news

When healing injuries, timing of regenerative cues matters

For decades, medicine has chased a simple but elusive goal of delivering the right drug to the right place at the right time. New research from the University of Oregon suggests that when it comes to healing from injury, ...

How brain remodeling during adolescence shapes memory

Scientists have long known that the human brain continues developing well beyond the teenage years, with important changes involving decision-making and emotional regulation extending into the mid- to late 20s. Now, for the ...

Dendrites may be key to learning and memory, study suggests

Branchlike structures called dendrites that extend from neurons appear to make their own computations independent of the cell body, helping individual brain cells store memories of the past, respond to the present and anticipate ...