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Lower dopamine may drive teen risk-taking that fades with age

Teenage risk-taking, such as experimentation with alcohol, cannabis, nicotine and other substances, may reflect a compensatory response to lower baseline dopamine, the brain chemical for reward activity, a new University ...

The number of uninsured Californians could double by 2030

California's ranks of uninsured residents could nearly double in the next four years—to nearly 4.6 million people—because of deep federal cuts to Medicaid and dramatic changes in federal and state policy, according to a new ...

The secret to healthy aging could be hiding in skeletal muscle

The powerful role of exercise in maintaining skeletal muscle could be the key to improving health and resilience in older age, according to new research from Monash University. The new research, published on the bioRxiv preprint ...

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