So here’s something fun I discovered: making out actually burns calories! Who knew, right? I’ll be honest – when my friend first told me this, I laughed. But then I started digging into the research, ...

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A new study that examines how kissing evolved suggests that ape ancestors and early humans like Neanderthals probably locked lips with their friends and sexual partners. The behavior may date back 21 ...

You know that slightly breathless feeling after a really passionate kiss? Turns out there’s actual science behind why you feel that way. Understanding how physical activities affect your metabolism ...