University of Iowa

Why Do Men Have Bigger Noses Than Women?

Human noses come in all shapes and sizes, but on average, men’s noses are 10 percent bigger than their female counterparts.

By Charesse James | November 20, 2013

Ever wonder why guys have bigger noses than women? What? Don’t act like you’ve never noticed.

Human noses come in all shapes and sizes, but on average, men’s noses are 10 percent bigger than their female counterparts and researchers from the University of Iowa think they finally know why. (Via Global Toronto)

 

The team tracked the nose sizes and growth rates of 38 people, both male and female, from the age of 3 until their mid-20s. Nose sizes from toddler-hood until puberty were relatively similar, that is, until puberty reared its angsty head at around age 11. (Via University of Iowa)

The researchers theorize nose-growth difference at puberty is directly correlated to the oxygen needed for muscle growth. (Via Discover)

Having a large nose means that more oxygen is inhaled. More oxygen leads to the development of healthy, lean muscles.

Previous studies have shown 95 percent of the weight males gain during puberty is lean muscle, which only accounts for about 85 percent of female growth during puberty. Lean muscle is metabolically more expensive. (Via YouTube / VEA Australia - New Zealand)

The researchers think the difference is cause by the evolution of early human males, who required more muscles and more oxygen — and subsequently bigger noses —  to survive. (Via BBC)

In fact, when comparing the physiologies of Neanderthals and modern humans, modern humans have smaller rib cages and lungs; traits the researchers feel reinforce their oxygen-muscle mass theory. (Via WITI)

The group only studied individuals of European descent, but say the research will likely apply to all racial and ethnic groups. The study was published in the American Journal of Physical Anthropology.

  TRENDING IN Sci/Health NEWS
Artist rendering of newly researched galaxies.WATCHLIST
International Centre for Radio Astronomy Research

Hundreds Of Galaxies Were Hiding Behind The Milky Way

Medical MarijuanaWATCHLIST
Getty Images / David McNew

Medical Marijuana Might Be Legalized In Australia Really Soon

A man kisses his horse.WATCHLIST
Getty Images / Julian Herbert

Researchers Say Horses Can Recognize Our Facial Expressions

With so many working to fix racial bias in adults, we spoke with a neuroscience researcher who says we may need to focus our attention on kids instead In this file photograph taken on March 20, 2007, a two-week-old boy finds his feet in his new world. Health Secretary Patricia Hewitt announced, April 3, 2007 that for the first time, mothers-to-be will have a guarantee that the NHS will provide them with a full range of birthing choices - including home births - and a midwife they know and trust to care for them. (Photo by Christopher Furlong/Getty Images)WATCHLIST
Getty Images / Christopher Furlong

Why Fixing Racial Biases Starts With Babies

Senior citizens walk along Llandudno Promenade on September 8, 2014 in Llandudno, Wales.WATCHLIST
Getty Images / Christopher Furlong

Why Live Forever? Life Is Long Enough

Senior citizens relax on Llandudno Promenade on September 8, 2014 in Llandudno, Wales.WATCHLIST
Getty Images / Christopher Furlong

Want To Live Forever? We Should Cure Aging

The box is filled with vegetables that are still good to eat, but might look a little odd from the outside. They're being sold at a cheap price.WATCHLIST
ASDA

Store Hopes 'Wonky Veg Box' Will Reduce Waste Of Imperfect Vegetables

A little girl poses for a photograph next to a stranded sperm whaleWATCHLIST
Getty Images / Ben Pruchnie

Scientists Offer Theory As To What Killed 30 Sperm Whales

The CRAM (compressible robot with articulated mechanisms) from the PolyPEDAL Lab at UC Berkeley.WATCHLIST
University of California, Berkeley / PolyPEDAL Lab

Cockroach-Inspired Robot Can Squeeze Into Some Tight Spaces

A rare albino green sea turtle leaves its nest.WATCHLIST
Facebook / Coolum District Coast Care Group

Surprise! This Baby Green Turtle Isn't Green At All

Aedes aegypti mosquitos are seen in a lab at the Fiocruz institute on January 26, 2016 in Recife, Pernambuco state, Brazil.WATCHLIST
Getty Images / Mario Tama

The White House Is Asking For $1.8B To Counter The Zika Virus

A graphic of a coded message.WATCHLIST
Newsy

Your Brain Is A Decoding Machine; Give This Message A Try

small pool of water is surrounded by dried and cracked earth that was the bottom of the Almaden Reservoir on January 28, 2014 in San Jose, California.WATCHLIST
Getty Images / Justin Sullivan

Study Says Droughts In The Southwest Could Become More Frequent

A coniferous forest is shown on a mountainside.WATCHLIST
Giorgio Galeotti / CC BY 2.0

Some Trees Might Slow Climate Change Better Than Others

CocktailWATCHLIST
mariobonifacio / CC BY SA 2.0

People Who've Passed The Bar Are More Likely To Drink At The Bar

Various types of fentanyl patches are pictured.WATCHLIST
Alcibiades

Fentanyl Abuse, Overdoses On The Rise In New Hampshire

What Zika is — and what world health agencies are doing about it.WATCHLIST
Newsy / Evan Thomas

What Zika Virus Is — And Isn't

French grocery storeWATCHLIST
christine592 / CC BY ND 2.0

France Now Won't Let Its Grocery Stores Throw Away Unsold Food

LONDON - MARCH 05: A woman sits in her pod-bed dorm room at Piccadilly Backpackers on March 5, 2006 in London, England.WATCHLIST
Getty Images / Scott Barbour

More Couples Aren't Sleeping Together, But Lost Love Isn't Always Why

Image of Johnny Cash and the tarantula species named after him.WATCHLIST
Joel Baldwin / Chris Hamilton et al.

There's A Tarantula Species Named After Johnny Cash

A scientist examines mosquitos.WATCHLIST
WFTX

Gulf Coast States React To Growing Cases Of Zika Virus

Medicine bottles charting the decline in new antibioticsWATCHLIST
Newsy / Andrew Lawler

Why Are There So Few New Antibiotics?

"El Jefe" is thought to be the only jaguar in the wild in the U.S.WATCHLIST
Conservation CATalyst and Center for Biological Diversity

The Only Known Wild Jaguar In The US Caught On Camera In Rare Video

Women walk their babies in the park.WATCHLIST
Getty Images / Sean Gallup

Here's What People Are Saying About That New CDC Guideline

BearsWATCHLIST
Megan Coughlin / CC BY ND 2.0

New Deal Protects 85 Percent Of Canada's Massive Great Bear Rainforest

National Weather Service storm forecast.WATCHLIST
National Weather Service

Tornadoes Reported In Mississippi And Alabama

A mosquito is tested for Zika virus.WATCHLIST
Getty Images / Mario Tama

First Case Of Sexually Transmitted Zika Virus Confirmed In US

Deodorant on display at a grocery store.WATCHLIST
Getty Images / Justin Sullivan

Your Deodorant May Be Messing With Your Body's Microbes

Man wears a Fitbit Charge HRWATCHLIST
Fitbit

This University Now Requires New Students To Wear Fitbits

Three different species of owls sit on display at Tori-no Iru Cafe on February 23, 2014 in Tokyo, Japan.WATCHLIST
Getty Images / Keith Tsuji

When Owls Bob Their Heads, They're Not Trying To Be Creepy