Why the study?
Does greater physical fitness improve brain volume and white matter integrity in middle-aged adults?
Does greater physical fitness improve brain volume and white matter integrity in middle-aged adults?
Greater physical fitness in middle-aged adults is associated with better brain volume and white matter integrity 5 years later.
Should not yet change practice; hypothesis-generating for causal effects on brain structure.
Greater physical fitness was associated with more brain volume and greater white matter integrity measured 5 years later in middle-aged adults.
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Zhu et al. (2015) studied this question.
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