A revolutionary AI tool called SIGNET has created the first causal map of Alzheimer's gene networks, revealing the hidden 'master switches' of brain degeneration.
Confusion hits parents as the CDC and AAP release conflicting 2026 vaccine schedules. Discover which shots are now 'optional' and what doctors recommend.
Dr. Rangan Chatterjee calls social media the 'most urgent public health issue,' pushing for a ban until 18 amid a deepening youth mental health crisis.
