A growing body of research shows that nutrition, sleep, exercise and a host of other lifestyle choices can help optimize the immune system. But they are no substitute for life-saving vaccines.
Your body produces antibodies after an infection or vaccine, but these slowly decline over time. New Johnson & Johnson data sheds light on the duration of protection and the need for booster shots.
Fault lines between the FDA and CDC regulatory processes have been on full display in the decisions over which groups of Americans should receive the Pfizer booster shot.
Reduced brain volume in people who have experienced COVID-19 resembles brain changes typically seen in older adults. The implications of these findings are not yet clear.
Iris Lesser, University of The Fraser Valley and Scott Lear, Simon Fraser University
Women who are physically active in the postnatal period report better mental well-being than those who are less active, but the pandemic has made exercise less accessible.
Since the coronavirus first began spreading around the globe, people have debated how effective masks are at preventing COVID-19. A year and a half in, what does the evidence show?
The biggest challenge to the health system is the war in Tigray and other insecurity all over the country. Conflict has made COVID-19 prevention and vaccination efforts impossible in many areas.
Honorary Enterprise Professor, School of Population and Global Health, and Department of General Practice and Primary Care, The University of Melbourne