Task & Purpose

NORAD stresses aircraft deployment to Greenland is ‘routine’ and ‘long-planned’

The move of new aircraft to Pituffik Space Base comes amid growing tensions as the Trump administration reiterates calls to acquire Greenland. By Nicholas Slayton Published Jan 19, 2026 3:55 PM EST ...
BMJ

Long-term leisure-time physical activity and risk of all-cause and cardiovascular mortality: dose–response associations in a prospective cohort study of 210 327 Taiwanese adults

2 CIBER of Epidemiology and Public Health (CIBERESP), Madrid, Spain Objectives We aimed to investigate the dose–response associations of long-term leisure-time physical activity (LTPA) obtained from ...
BMJ

Physical activity as a protective factor for dementia and Alzheimer’s disease: systematic review, meta-analysis and quality assessment of cohort and case–control studies

Objective Physical activity (PA) is associated with a decreased incidence of dementia, but much of the evidence comes from short follow-ups prone to reverse causation. This meta-analysis investigates ...