Dr. Sudha Seshadri, a professor of neurology at UT Health San Antonio was quoted in the TIME​ magazine, “Stressed-Out People May Have Smaller Brains, Study Says.”

The new study found that middle-aged adults with the highest levels of cortisol had lower brain volume and cognitive functioning than people with lower levels of the hormone, suggesting that stress may be to blame. The hormone cortisol is involved in a range of normal bodily processes, including metabolism, immunity and memory formation. But extra cortisol is also released in response to stress, leading to higher levels overall.

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