This daily health update provides summaries of recent studies on various health topics. It includes summaries of studies finding that untreated severe sleep apnea increases the risk of depression in men, that shift work is associated with weight gain and sleep problems, that establishing regular family meal times can support healthy eating habits, that preschoolers may not be getting enough daily physical activity, that wrist flexion and extension compresses the median nerve, and that a new blood test may be able to detect breast cancer metastasis earlier than current methods.