Drug Approval/legislation & jurisprudence; Drug Industry/legislation & jurisprudence; Government Regulation; United States Food and Drug Administration; Animals; Biosimilar Pharmaceuticals; Clinical Trials as Topic; Commerce/legislation & jurisprudence; Consumer Product Safety/legislation & jurisprudence; Contrast Media; Device Approval/legislation & jurisprudence; Dietary Supplements/adverse effects; Drug Compounding; Drug Labeling; Drug Resistance, Microbial; Drug-Related Side Effects and Adverse Reactions; Drugs, Generic; Drugs, Investigational; Electronic Nicotine Delivery Systems/adverse effects; Fees, Pharmaceutical; Fraud; Humans; Internet/legislation & jurisprudence; Investigational New Drug Application; Nonprescription Drugs; Opioid-Related Disorders; Orphan Drug Production/legislation & jurisprudence; Prescription Drug Misuse; Prescription Drugs; Quality Control; Rare Diseases/drug therapy; Sexual and Gender Minorities; Smoking Prevention; Tobacco Products/legislation & jurisprudence; Tobacco, Smokeless/adverse effects; United States; Vaping/adverse effects; Veterinary Drugs; Zika Virus Infection/drug therapy