家庭获得复活节膳食援助以减轻经济负担

Robert F. Kennedy Jr. has rewritten the charter for the CDC's vaccine advisory panel, giving himself more power to appoint anti-vaccine allies and shifting the panel's focus to alleged vaccine risks.

The U.S. fertility rate has dropped to an all-time low, continuing a two-decade downward trend. Explore the factors behind this shift and its potential implications.