Summary: A new study questions whether playing youth football leads to harmful protein buildup in the brain. Researchers ...

In recent years, some scientists and advocates have warned that playing contact sports like football and hockey may increase the risk of brain diseases like Alzheimer's disease or chronic traumatic ...

In recent years, some scientists and advocates have warned that playing contact sports like football and hockey may increase ...

The latest science on the link between climate change and natural disasters — and how they may be playing out where you live.