Medical Study
Kidney problems may skew Alzheimer’s blood test results, study suggests
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A large study published in Neurology finds that impaired kidney function is linked to higher levels of Alzheimer’s biomarkers in the blood, without increasing overall dementia risk. However, among people who already have elevated biomarker levels, poor kidney health may hasten when dementia symptoms appear, underscoring the need to factor kidney function into interpretation of Alzheimer’s blood tests.
Many patients hesitate to stop antidepressants due to fears of withdrawal syndrome or symptom relapse. A study published in The Lancet shows that a gradual withdrawal, combined with psychological support, does not increase relapse risk compared to continuing the treatment.
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More than half of American adults do not realize alcohol raises cancer risk, and people who drink are the least aware, according to a research letter published October 30, 2025, in JAMA Oncology. The analysis, led by MD Anderson Cancer Center, draws on a national survey of nearly 7,000 adults and underscores the need for clearer public education.