Dive into a comprehensive 90-minute tutorial on biostatistics for the USMLE Step 1 exam, covering essential topics across four parts. Learn about case-control studies, odds ratios, cohort studies, and relative risk - concepts guaranteed to appear on the exam. Gain a thorough understanding of these critical biostatistical principles to enhance your preparation for the USMLE Step 1, with a focus on high-yield information presented in a clear, detailed manner.