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Researchers have developed a blood test that detects Parkinson’s disease, potentially establishing a way to help diagnose the condition before nervous system damage worsens.

Researchers have developed a blood test that detects Parkinson's disease, potentially establishing a way to help diagnose the condition before nervous system damage worsens.

Researchers at Duke Health have developed a blood test that detects Parkinson’s disease, potentially establishing a way to help diagnose the condition before nervous system damage worsens.

More fragmented sleep and longer periods of wakefulness after bedtime among a group of low-income African American adults were associated with lower cognitive function such as poor attention, according to a new study.