President Trump signed an executive order aiming to cut prescription drug costs by bringing the price the U.S. pays in line with comparable developed nations.

Cholesterol-lowering medicines are some of the most commonly prescribed, effective drugs. But to influencers on TikTok, they're the enemy.

A drug called lenacapavir, administered in two injections a year, offers protection from HIV comparable to daily pills. One looming question: Will it be affordable for lower resource countries?