By Shereen Lehman NEW YORK (Reuters Health) - With less sleep, normal aging-related structural changes in the brain progress slightly faster in middle-aged and older people, according to a new brain imaging study. Sleep troubles are more common with age, and shrinkage of certain brain structures is normal. “Among older adults, sleeping less will increase the rate their brain ages and speed up the decline in their cognitive functions,” said lead study author Dr. June Lo, a researcher with Duke-NUS Graduate Medical School in Singapore. Plenty of past research has shown that lack of sleep can worsen fuzzy thinking and memory problems in the short term, and at all ages, Lo and her colleagues note in the journal Sleep.
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