Medical research

Breaking down the 'brick wall' of scar tissue

Doctors in the U.S. perform nearly 800,000 total knee replacements every year, but some estimates indicate that up to 10% of patients may emerge from surgery with a new problem: arthrofibrosis or excessive scarring that limits ...

Neuroscience

New technique sheds light on memory and learning

Less than twenty minutes after finishing this article, your brain will begin to store the information that you've just read in a coordinated burst of neuronal activity. Underpinning this process is a phenomenon known as dendritic ...

Oncology & Cancer

How chronic stress spreads cancer

Stress is inevitable. But too much of it can be terrible for our health. Chronic stress can increase our risk for heart disease and strokes. It may also help cancer spread. How this works has remained a mystery—a challenge ...

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