Research

Effects of dietary interventions on gut microbiota and related cardiometabolic changes in pediatric obesity: a systematic review and meta-analysis.

**TL;DR:** A meta-analysis of 8 pediatric studies found that balanced, calorie-restricted diets increased gut microbiota richness (measured by Chao1 index) in children with overweight or obesity, with

Physiological limits of capillary refill time: a human endotoxemia study.

Capillary refill time (the classic bedside test where you press a fingertip until it turns white, then time how fast color returns) doesn't behave as expected during acute inflammation. A controlled h

Second-to-Fourth Digit (2D:4D) Ratio as A Risk Factor for Osteoporosis and Osteoarthritis: A Systematic Review.

Lower second-to-fourth digit ratios (2D:4D), a marker of prenatal testosterone exposure, are associated with increased osteoarthritis risk, particularly in the knee and hand, [A tier]. Evidence for os

Using the OPTIMAL Theory to Optimize Aerodynamics in Respiratory Training for Healthy Adults and Individuals With Parkinson's Disease.

Applying motivation and attention-focused strategies during a single respiratory training session improved peak expiratory flow in both healthy adults and people with Parkinson's disease, though the s

A Web-Based, Pedometer-Mediated Intervention Increases Amount and Intensity of Physical Activity in COPD: A Randomized Controlled Trial.

A 12-week web-based intervention combining personalized step goals, real-time feedback via Fitbit, and intensity targets increased daily steps by 1,410 steps and shifted 41% of COPD participants from

Functional outcomes following psychotherapy for elevated suicide risk: Secondary analysis of a randomized controlled trial.

Two evidence-based psychotherapies for active suicide risk produced clinically meaningful improvements in pain, social functioning, and daily activities over 12 months, with gains appearing primarily

Designing Social Media Health Warnings for Teenagers and Young Adults: A Randomized Clinical Trial.

A randomized trial of 1,012 teenagers and young adults found that health warnings displayed on mock social media platforms increased perceived awareness of social media harms and perceived discouragem