Fact of the day

Across randomised controlled trials, aerobic exercise improved cognition in people with mild cognitive impairment, with moderate effects reported for global cognition, logical memory, inhibitory control and divided attention.

Study design

Systematic review

Journal

Arch Ital Biol

Evidence

preliminary

⚠What it shows: Encouraging but not settled: a sweep of all the randomised trials on this found moderate gains, yet the reviewers flag weaknesses in how the underlying studies were run, so the true size of the benefit is uncertain. It also cannot yet say whether exercise slows the slide from mild impairment into dementia.Systematic review · Arch Ital Biol