Why Doctors Say STI Instead of STD (and Why It Matters to You) Maybe you’ve overheard someone at Waffle House or seen something online that got you thinking: what’s the difference between an STI and an STD? They sound similar, and people often use them interchangeably, but there’s a real difference, and learning the right terms helps us better understand sexual health and encourages more people to get tested early. At AFC ...
