New study questions BMI as health indicator   •   New Prostate Cancer Screening Guidelines Recommend Testing for Middle-Aged Men   •   Brown fat needs vessels and nerves to function   •   Stress Triggers Joint Inflammation Via Nervous System   •   Study compares melatonin and tart cherry for sleep aid effects   •   New study questions BMI as health indicator   •   New Prostate Cancer Screening Guidelines Recommend Testing for Middle-Aged Men   •   Brown fat needs vessels and nerves to function   •   Stress Triggers Joint Inflammation Via Nervous System   •   Study compares melatonin and tart cherry for sleep aid effects   •