POTS after COVID causes a racing heart and dizziness when standing. Learn why it happens, who's affected, and how diet, exercise, and medication can help.
A clear, science-based breakdown of what a nuclear explosion actually does, from the initial fireball and blast wave to fallout and long-term climate effects.
Walter Jr. from Breaking Bad has cerebral palsy, and so does the actor who plays him. Here's what CP actually does to the body and why it varies so much.
Returning to exercise after birth depends on more than just hitting six weeks. Here's what a realistic postpartum fitness timeline actually looks like.