Ticks are tiny parasites that feed on the blood of humans and animals. Adult ticks typically measure about 3 to 5 millimeters in length, based on their age, sex and species. Because of their small ...

Haupt is a health and wellness editor at TIME. Haupt is a health and wellness editor at TIME. You probably won’t see a tick as it clings to a blade of grass, but it can see you. The tiny parasites are ...

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Ticks are more than just a nuisance—some of them carry serious diseases like Lyme and Rocky Mountain Spotted Fever. You certainly want to avoid ticks, but don’t panic if you happen to find one on your ...