This article is for anyone curious about how new medicines are tested before they reach patients it explains in simple words how researchers check a drug safety and how well it works through different stages of testing you will get a clear idea of why these steps are important to make sure every medicine is safe and effective for people. https://www.otherarticles.com/careers/career-management/414799-how-new-medicines-are-tested-for-safety-and-effectiveness.html