Hotel pools or hot tubs accounted for one third of all treated swimming-related illnesses in the U.S. from 2000 through 2014, according to the Centers for Disease Control and Prevention. Operators of pools and water playgrounds have cleaning and disinfecting guidelines they need to follow and the CDC urged people with diarrhea to stay out of the water and swimmers to refrain from swallowing pool water to avoid getting sick.
Want a more efficient brain? Learn another language or how to play a musical instrument. Canadian researchers studied the brain imagery of 41 adults. They found bilingual speakers and musicians used fewer brain resources to complete memory tasks.
Another study revealed chronic social isolation has a negative effect on the brain. Scientists at Cal-Tech found mice who were isolated overproduced a certain chemical in their brains, leading them to become more fearful, aggressive and hypersensitive.
Sources :
1 – U.S. Centers for Disease Control and Prevention
2 – Annals of the New York Academy of Sciences
2 – Cell
