Exercise
Year-long aerobic exercise program linked to slightly “younger” brain age on MRI, trial finds
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A randomized clinical trial suggests that a year of guideline-level aerobic exercise was associated with small but measurable reductions in an MRI-based estimate of “brain age,” leaving participants’ brains looking close to one year younger than those of a usual-care control group.
A new analysis suggests that varying exercise routines, such as mixing running, cycling, and swimming, may reduce mortality risk by 19 percent compared to less diverse workouts, even when total activity levels are similar. Researchers examined data from over 110,000 U.S. participants tracked for more than three decades. The findings highlight potential benefits of exercise variety, though they remain suggestive rather than conclusive.
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Vibrating the Achilles and patellar (knee) tendons for 10 minutes before a short cycling task helped volunteers generate more power and reach higher heart rates without reporting greater exertion, according to a Université de Montréal-led study that examined how the brain interprets effort.
Elderly residents from Soweto joined a five-kilometre walk as part of the 17th Annual Gogo Joint Walk initiative. The event promotes active lifestyles to combat age-related illnesses. Organisers call for government support to expand the programme.
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Walking in bouts of 10–15 minutes or longer was associated with substantially lower cardiovascular risk among adults taking fewer than 8,000 steps a day, with 15‑minute‑plus bouts tied to about a two‑thirds lower risk than very short walks, according to research published in Annals of Internal Medicine.