Why Am I Bruising Like a Banana? Bruising and mild bleeding are common and usually nothing to worry about. As we age, our skin gets thinner and our blood vessels get a bit more delicate. Dr. Correa calls it "vintage skin". Medications like aspirin, blood thinners, and even some supplements can also make bruises pop up more easily. Sometimes, a bump you barely remember can leave a big bruise! Types of Bruises: What's Normal? Classic Bump Bruises: These show up after bumping in