Researchers have found an association between sleep problems among older adults and dementia later in life. If diagnosed early, treatments like controlling stimuli before bed can help and possibly reduce the risk of cognitive decline.
A doctors group has revised its recommendation after concluding that circumcision helps protect the health of baby boys. Circumcised males are far less likely to get infected with a long list of sexually transmitted diseases, they say. But critics of the procedure are still not convinced.
It's the latest setback in a field marked by failure. Earlier this month, Pfizer and Johnson & Johnson said they were dropping development of a similar experimental drug after big clinical studies showed it wasn't working.
In his book Incognito: The Secret Lives of the Brain neuroscientist David Eagleman says "most of what we do and think and feel is not under our conscious control." Eagleman discusses the book, and his latest research on the possible link between time perception and schizophrenia.
More than 100,000 people have fled to refugee camps in South Sudan to escape fighting in Sudan and find food. Heavy rains have depleted supplies and raised mortality rates above emergency levels. The United Nations has launched emergency airdrops of food to help the refugees.
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