Behavior

What dolphins and whales can teach us about gossip

A study of whale and dolphin brains show it's not size that matters, but socializing. The more social an animal is, the bigger its brain.

Should you pee on a jellyfish sting? Test your knowledge of medical myths

Dr. Holly Phillips, contributing editor for Prevention magazine, joins Megyn Kelly TODAY to quiz Megyn and her audience about medical myths, like whether it's...

What we suspected about women's generosity, men's selfishness is true

A new study provides more insight into why women act more generously than men but finds the reasons why are complicated.

Can a marriage survive infidelity? The answer may shock you

Two years ago, Tertia Cain's marriage was in crisis when she learned her husband Michael had been unfaithful. They join Megyn Kelly TODAY along with "affair...

Still sleeping with a stuffed animal as an adult? You're not alone

Did you sleep with a special stuffed animal, doll or blanket as a kid? A lot of us did, and funny enough, a lot of us still do.

What are 'depression naps'?

While naps are meant to be restorative and energizing, these types of lie-downs may not be healthy, experts say.

5 'love hacks' to get through shaky times in your marriage

These strategies have two defining features: they don't take much time or energy, and you can do them independently of your spouse.

3 simple changes to make right now to reduce your breast cancer risk

Just three strategies could prevent one-third of breast cancer cases in the U.S., the American Institute for Cancer Research estimates.

8 warning signs that a man is having a midlife crisis

You know the cliches: Sports cars and hairpieces. Robbing the cradle and running away. But what else should you look for?

The 1 thing you're doing at work that may be worse than sitting

The findings suggest this behavior is an "often overlooked" heart disease risk factor.

9 things I wish I knew about interracial relationships before getting married

When you marry someone, you marry everything that made them who they are, including their culture and race.

Go with your gut: 5 ways to harness the power of intuition

What exactly is gut instinct or intuition, and how can it help you?

'Suicidal isn't just crying': Woman warns appearances can be deceiving

After Milly Smith was told she didn't "look suicidal," she went on a mission to help others realize mental illness is complex.

8 signs YOU are the problem in your relationship

Constantly blaming your partner for your relationship distress? It may be time to look in the mirror.

Is your sleep as interrupted as Savannah's? Experiment tests disruption effects

If you're a sleep-deprived grump during the day, one solution may be to stay up later, a new study finds.

1 simple act to help you truly unplug from work while on vacation

Many of us have been there: You're enjoying a blissful vacation when your phone buzzes and you can't resist the urge to check. It's work — again.

9 signs you’re a highly sensitive person

Highly sensitive people make up about 15-20 percent of the population. Are you one of them?

Are you an introvert, socially anxious or shy? 6 clues to help you tell

The world is embracing introverts like never before. But are you really an introvert or is social anxiety ruling your life?

Feel like everyone has more friends? You're not alone

When observing others, you're vulnerable to believing their lives are full of happy, social moments. Looks can be deceiving.

Are you an empty nester? 5 ways to reconnect with your spouse

If you find yourself feeling a little awkward at home as it's just you and your spouse, there's no need to call off the marriage.

'A--hole survival guide': 9 tips for dealing with jerks

What's the best way to deal with people who make your life miserable and crush your soul?

Should your spouse be your best friend?

A relationship expert weighs in after actress Anna Faris revealed she didn't necessarily consider Chris Pratt to be her best friend.

Brooke Palmer/Warner Bros/Kobal/REX/Shutterstock / AP

There are many reasons clowns are so terrifying

A clown luring children into the woods seems like the scariest thing that can happen. What makes clowns so darn creepy?

7 signs your marriage will last

How do you know if you're in a good relationship? Here are some key clues.

What type of sleeper are you?

Knowing the type of "sleeper" you are can help maximize your energy and improve efficiency in your work.

Why striving for perfect posture may make you happier

Remembering to stand tall and keep your shoulders back can improve your confidence and mood.

3 reasons why you can't resist the Pumpkin Spice Latte

Just what is it about the Pumpkin Spice Latte that makes it so appealing?

Is that nasty coworker a psychopath?

People high in psychopathic personality traits often don't "catch" the contagious yawn, a new study finds.

1 easy way to prevent memory loss

Memory loss can be a frustrating and frightening issue as we age. Fortunately, there's a key way to stop cognitive decline.

Stashing is the latest dating trend — here's how to spot it

Have you ever dated someone for a few months but wondered why you hadn't met any of his or her friends? Take a deep breath, dear reader ...

Weigh yourself on this day of the week for the most accurate reading

There are times when it's best not to make eye contact with the bathroom scale. So what's the single best day for the most accurate result?

5 tips for dating a narcissist and staying happy

If you're in a relationship with someone who exhibits narcissistic traits, here are a few tips on how to cope.

You didn't want to win anyway: The health risks to hitting Powerball jackpot

You may think your problems will vanish if you strike it rich, but life will be more complicated for anyone who wins $700 million tonight.

How to interrupt without being a jerk: Dealing with bosses, dates and more

Sometimes, not only do you have a right to interrupt, you may think of it as a good thing. Here's how to do it right.

The latest dating trend is called zombie-ing and it's pretty common

Have you ever dated someone who disappeared, only to return a few months later with a text: "Hey, how have you been?" That's zombie-ing.

Bad habits mean millions of teens risk eye infections, CDC says

Most teens and young adults who wear contact lenses have at least one bad habit that raises their risk of a nasty eye infection, CDC says.

5 things NOT to do during the eclipse

The Great American Eclipse is inspiring a great frenzy, but don't make these mistakes on Monday.

Oprah reveals why marriage to Stedman would have been a bad idea

Oprah Winfrey and Stedman Graham have been together for more than 30 years without ever saying "I do" to each other — and they plan to keep it that way.