Exercise and mild cognitive impairment: possible benefits, but no established optimal dose
A meta-analysis links exercise to increased peripheral BDNF and improved depressive symptoms, without establishing an optimal dose.
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Recent studies and announcements, explained with the same rigor as our analyses: sources, context, and the limitations of the data.
The publication feed
Lumbar manipulation: two positions, different stresses, no conclusions about safety
A study of 20 healthy volunteers compares the forces and deformations associated with two lumbar manipulation techniques. It does not demonstrate a clinical benefit.
Congenital heart disease: a trial will evaluate home-based physical and cognitive rehabilitation
QUALINEURO-REHAB will evaluate a programme combining physical activity and cognitive training in people aged 8–25. No efficacy results have been presented yet.
Rehabilitation after an incisional hernia: a muscle benefit that remains exploratory
A randomized trial in 30 adults suggests a benefit of rehabilitation on only one of four primary trunk strength outcomes.
Contact sports: biomarkers increase without establishing brain injury
A meta-analysis finds an increase in blood biomarkers after certain contact sports, but biases prevent conclusions about brain integrity.
Physical activity and menstrual symptoms: potential benefits, but no universal cycle-based program
A review of 55 studies suggests that physical activity may ease menstrual pain, but does not establish a standard cycle-based training program.
Working in the heat: fixed-volume hydration may exceed water losses
In 20 adults, a fixed-volume hydration strategy prevented substantial body mass loss but produced a positive fluid balance.
Breast cancer: the cardioprotective effect of exercise during treatment remains uncertain
A review of seven randomized trials does not confirm that exercise preserves cardiac function during certain breast cancer treatments.
Athletes’ ECGs: inverted T waves are uncommon, but their risk remains uncertain
A meta-analysis estimates that inverted T waves occur in 4% of athletes over 16. Their significance requires evaluation.