Hair warns of faulty body clock

摘要

Worried that your lifestyle might be at odds with your body clock? A bit of hair is all you need to check. Biochemical activity operates to the circadian rhythm, a cycle lasting roughly 24 hours. It coordinates sleep patterns, hormone production, immune responses and tissue repair, and is normally kept fine-tuned by doses of daylight. A disturbed circadian rhythm can lead to sleep deprivation and has been linked to an increased risk of developing certain diseases, including cancer.