Here we show, using flies and mice, that sleep deprivation leads to accumulation of reactive oxygen species (ROS) and consequent oxidative stress, specifically in the gut. ROS are not just correlates of sleep deprivation but drivers of death: their neutralization prevents oxidative stress and ...
Constant worry and tension can cause one to suffer hair loss. It would make sense that if it can cause this problem, perhaps it also may contribute to graying. However, there is no sound evidence to support this. Main factors in gray hair were thought to be age, stress, environment and...