StatPearls includes a growing list of free, online, peer-reviewed and PubMed-indexed reviewed activities and affordable adaptive learning questions with explanations. We provide healthcare professionals with an adaptive learning approach to identify knowledge deficits and quickly review to acquire or refresh medical knowledge. Our goal is to provide health professionals with the educational tools needed to identify weaknesses and stay current. The StatPearls Knowledge Base is available in Apps, eBooks, and online CME/CE Learning Management System covering over 470 medical specialties.