First links in chain of survival can be assessed by children from age 4; regular training in basic life support consolidates long-term skills
Menstrual Cycle Length Linked to Cardiovascular Disease Outcomes
Women with irregular cycles have increased hazard ratios for CVD events and atrial fibrillation
Baby Boomers Push Median Age of Americans Up as Births Decline
The share of people 65 years and older grew by more than one-third between the 2010 census and the 2020 census