Prisoners at a maximum security facility in the U.S. are guaranteed 2 hours of outdoor time daily, whereas 1 out of 2 kids worldwide spends less than an hour outside. Children spend less time outside each day than prison inmates do in the United States. Inmates are guaranteed two hours of outdoor time daily, whereas one in two children is outside for less than an hour. A recent survey of 12,000 parents in 10 countries, who have children aged five to 12, found that one-third of kids spend under 30 minutes outside each day.
The prostaglandins (PG) are a group of physiologically active lipid compounds having diverse hormone-like effects in animals. Prostaglandins have been found in almost every tissue in humans and other animals. They are derived enzymatically from fatty acids. Every prostaglandin contains 20 carbon atoms, including a 5-carbon ring. They are a subclass of eicosanoids and of the prostanoid class of fatty acid derivatives.
Today, aspirin is found in hundreds of over-the-counter medicines worldwide, and remains at the forefront of medicine, with newly discovered applications for the prevention and treatment of several life-threatening diseases.spirin acts by preventing the formation of prostaglandins. The name prostaglandin comes from the old belief that this hormone was produced by the prostate gland. It is now known that prostaglandins come in several different forms (named by the letters A through I) and are produced in almost all mammalian cells.