Inside the Mind

Ever had a "woulda, shoulda, coulda" feeling about something? It's called regret. What really triggers this emotion - and can we trust it?

By Dave Roos

It's not just your imagination - people feel freer to bail out on others at the last minute than they used to. But why?

By Danielle Douez

Is your first memory of lying in a crib? You may want to revisit that. A new large study found that nearly 40 percent of participants had a first memory that was improbably early.

By Alia Hoyt

Roller coaster junkies rejoice: Riding these coasters could be a safe way to deal with your addiction to endorphins.

By Alia Hoyt

The noises that others make - be it walking, chewing or breathing heavily - are very noticeable to us. Yet we seldom hear it in ourselves. Why is that?

By Alia Hoyt

Actually it doesn't. You may think you're skilled at "multitasking" but chances are you aren't working on two things at exactly the same time. What's really going on and why is multitasking not a good idea?

By Alia Hoyt

Researchers have shown that THC in marijuana alters the structure of the brains in older mice to be more like brains of younger mice. Could the same be true for humans?

By John Perritano

A new study shows that IQ levels have been falling since 1975, reversing a 20th-century trend.

By Melanie Radzicki McManus

Ever walked from your kitchen to the living room to find your phone and then forgotten what you were looking for once you got there? Researchers think your brain is hard-wired to undergo precisely that process of forgetting.

By Nathan Chandler

Maybe. A study that wasn't even about kissing turned out to (sort of) give the answer.

By Michelle Konstantinovsky

Your dreams have meaning, but dream interpretation is tough. So what does it mean when you dream about someone all the time? We talked to dream analysts who help explain.

By Dominique Michelle Astorino