It’s Science

Why do toddlers mix up their words? The explanation is too sweet

From calling Rice Krispie treats "raspberry Christmas trees" to identifying a peppermint as a "hippo," their creative word associations often feel like riddles waiting to be solved.

You started as an egg inside your grandmother—here’s the mind-blowing science behind this generational bond

Did you know that the egg that would one day become you was formed while your mother was still developing in your grandmother's womb? 

The emotional cost of being first: Study finds higher rates of anxiety in firstborn & only children

New research reveals how birth order may affect your child’s mental health—here’s what to know.

Cute aggression, explained: Why you want to “eat” your baby, according to science

Go ahead and nibble on your baby's cheeks. Research says it makes you an even better parent.

5 dangers of pregnancy dehydration: Prevention and tips from a doctor

This is what can happen when your water level drops.

5 evidence-backed ways to prevent perineal tears during birth

Recent research has changed the way we think about perineal tears and episiotomies.

It’s science: 5 ways to awaken baby’s senses in the womb

Simple ways to excite baby’s senses (and promote sensory development) before baby is even born.

This new finding about why babies move so much in the womb is fascinating

Hint: It’s not just for exercise. 

Can a cold-water plunge improve your health?

Some people swear by the icy immersions you’re seeing all over Instagram. We dig into the science behind the suddenly-everywhere trend.

This is why your toddler always wakes you up, according to science

No rest for the weary.

Men trying to conceive should avoid alcohol for at least 3 months, research shows

One study finds it takes longer than previously thought for the effects of alcohol to clear.

It’s science: This 5-minute routine can help your baby fall asleep faster

New research shows a specific (but simple!) routine could help parents get a crying baby to sleep.

The science behind why your baby stops crying when you stand up

A fascinating study explains the phenomenon.

Discovering the truth about Santa not as damaging to kids as you might fear

Rest assured, mama: The majority of kids still place full trust in their parents, one study finds.

Breathing in highway air pollution raises your blood pressure, study shows

HEPA car air filters are the new must-have for commuters.

Here’s why roughhousing with your kids is good for them—really

All the noise and pummeling can be a little alarming. But lots of research suggests that regular roughhousing sessions make for happier, more successful children.

Does red wine give you headaches? Researchers pinpoint the culprit

And no, it’s not sulfites.

Paid family leave has big health benefits for mothers and babies, study shows

From reducing postpartum depression to improving breastfeeding duration, new research confirms just how vital paid leave is for families.

Swapping beef for chicken in your burrito can have big benefits for the environment, study shows

Simple diet tweaks can mean big reductions in your carbon footprint.

A special toothpaste could ease peanut allergies for adults

Immunotherapy toothpaste could be available for kids one day, too.