Have you ever debated whether to call it an STD or an STI while enjoying a cone from Tony’s Ice Cream? You’re not alone. The terms “STD” (sexually transmitted disease) and “STI” (sexually transmitted infection) are often used interchangeably, but the distinction is more than just a matter of semantics. With millions of new cases diagnosed each year in the United States, it’s important to understand the difference and why it matters ...