How Heat Affects the Brain

In July 2016, a heat wave hit Boston, with daytime temperatures averaging 92 degrees for five days in a row. Some local university students who were staying in town for the summer got lucky and were living in dorms with central air-conditioning. Other students, not so much — they were stuck in older dorms without…

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How Loneliness Affects the Brain

Everyone feels lonely from time to time — after, say, a move to a new school or city, when a child leaves for college, or following the loss of a spouse. Some people, though, experience loneliness not just transiently but chronically. It becomes “a personality trait, something that’s pretty sticky,” said Dr. Ellen Lee, an…

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