Vital Newsletter #6 — Oct 23, 2026

Longevity

Healthy habits may help older adults live longer—and narrow health gaps

In a 20-year study of older adults in China, people with fewer social and financial advantages had higher risks of death and unhealthy ageing. Healthy habits were linked to more years of life and helped explain part—but not all—of these differences.

How a healthy lifestyle mediates socioeconomic inequities in healthy ageing and life expectancies: A 20-year cohort of older adults. · Fundamental research · Oct 23, 2025

Health Promotion

Mazdutide may improve blood sugar and weight more than dulaglutide

Across three trials, mazdutide led to somewhat greater improvements in blood sugar and weight, but caused more stomach-related side effects and reduced appetite. The results are promising, but longer and larger studies are needed.

Efficacy and safety of mazdutide vs. dulaglutide in adults with type 2 diabetes: a systematic review and meta-analysis of randomized controlled trials. · Diabetology & metabolic syndrome · Jul 24, 2026

Preventive Health Services

Finding more early cancers doesn’t reliably show that screening saves lives

Across cancer screening trials, detecting more early-stage cancers did not consistently predict fewer cancer deaths. Early detection numbers alone may not tell us whether a screening program ultimately helps people live longer.

The association between the impact of cancer screening on early-stage cancers and on cancer mortality: A systematic review and meta-analysis. · Journal of medical screening · Oct 15, 2026

Sleep

Weight-Loss Medicines May Reduce Sleep Apnea, but They Don’t Replace CPAP

In six trials, GLP-1 medicines helped people lose weight and reduced breathing interruptions during sleep; blood pressure also fell slightly. Results varied widely between studies, and these medicines should not be seen as a replacement for CPAP.

GLP-1 receptor agonists for obstructive sleep apnea: a meta-analysis of randomized controlled trials. · Sleep & breathing = Schlaf & Atmung · Oct 6, 2026

Jaw Surgery for Sleep Apnea May Also Lower Blood Pressure

A review of seven small studies found that jaw-advancement surgery was linked with lower blood pressure as well as fewer breathing interruptions during sleep. The findings are promising, but stronger studies are needed to confirm lasting health benefits.

Systemic outcomes following maxillomandibular advancement for obstructive sleep apnea: systematic review and meta-analysis. · International journal of oral and maxillofacial surgery · Oct 16, 2026