CSF Aβ40 Levels Do Not Correlate with the Clinical Manifestations of Alzheimer's Disease.

Introduction: Cerebrospinal fluid (CSF) biomarker quantification provides physicians with a reliable diagnosis of Alzheimer's disease (AD). However, the relationship between their concentration and disease course has not been clearly elucidated. This work aimed to investigate the clinical and prognostic significance of Aβ40 CSF levels.

Serum Retinol, Folic Acid, and Copper Are Associated With Sperm Abnormalities in Men With Obesity.

Background And Objectives: Micronutrients may influence the development and differentiation of sperm cells. The aim of this study was to assess the possible association of deficiencies in several vitamins and trace elements with sperm abnormalities in men with obesity.

Participants And Methods: Thirty male patients with moderate to severe obesity and ten lean controls who gave written informed consent were included.