STAT means now. Everything else means consult a specialist.
Medical measures designed to keep you healthy before you get sick, which insurers theoretically love but won't actually fund. Prevention nobody can afford.
A pre-medical student convinced that shadowing a doctor for one afternoon qualifies them to lecture about healthcare. Probably hasn't slept in 72 hours.
A short chain of amino acids, basically the building blocks between individual amino acids and full proteins, which sounds more interesting than it actually is.