Especially in temperate latitudes human function and well being is significantly affected by the rhythms of changing seasons. Readers will know that Seasonal Affective Disorder (SAD) afflicts many people in the transition from fall to winter. Less well known is that cholesterol levels vary seasonally across populations. "The change in climate and behavior that follows each season can have an effect on lipid metabolism and possibly even heart health." This, recently, from the American College of Cardiology, no less1. The approach of spring heralds a new cycle of growth and procreation. Rituals and protocols associated with spring are deeply inscribed in the culture and religion of human society. Every traditional system of health addresses the challenge of spring what one should do, things to avoid and how to go about it all. The central axis of purification and fertility
Sleep loss may be more serious than previously thought, causing a permanent loss of brain cells, research suggests.
In mice, prolonged lack of sleep led to 25% of certain brain cells dying, according to a study in The Journal of Neuroscience. If the same is true in humans, it may be futile to try to catch up on missed sleep, say US scientists. They think it may one day be possible to develop a drug to protect the brain from the side-effects of lost sleep.
The study, published in The Journal of Neuroscience, looked at lab mice that were kept awake to replicate the kind of sleep loss common in modern life, through night