GLP-1 weight loss drugs strip fat and muscle together; here is how adults over 40 can protect lean mass while the scale drops.

A 2026 study shows worsening frailty during breast cancer treatment predicts long-term quality-of-life decline; here is why strength, not a pill, is the target you can actually move.

After 40, muscle behaves less like vanity tissue and more like an organ of longevity; here is what the evidence supports and how to act on it.

Population-average screening guidelines miss people who fall outside the standard risk box; here is how to build a personalized, evidence-based screening plan.

Decades of calling HDL the good cholesterol created a dangerous shortcut; here is what the trials and genetics say to track instead.

Finishing your last meal at least three hours before sleep may improve overnight blood pressure, heart rate and glucose handling, even without losing weight.

A 2026 randomized study suggests some of coffee’s effects on attention and memory run through the gut microbiome; here is what holds up and what to do with it.

Two well-run strength sessions a week capture most of the muscle, strength, and mortality benefit; here is what the meta-analyses show and how to apply it.

A 2026 Swedish cohort suggests meat intake interacts with APOE ε4 status to shape cognitive aging; here is what is established, what is emerging, and how to act.

A practical guide to which genetic tests genuinely change clinical decisions after 40 — and why your family history still outperforms most consumer DNA kits.