APR 30, 2016 10:16 AM PDT

The Science of Attraction

WRITTEN BY: Julianne Chiaet


The feelings of attraction may seem magical, but they're actually very real and scientific. Whether or not you are attracted to someone depends on the outcome of your brain running a complex series of calculations.

All five senses play a role in attraction. For instance, the eyes. We may see this as the most logical sense to judge whether you are attracted to someone, but beauty is socially constructed depending on the decade and culture. So, knowing that, why do you still care about the other sex having smooth scar free skin and lustrous hair? Those traits, along with some others, signal youth, good health, and fertility. As un-sexy as it sound, we want someone who looks fit for reproduction (even if you don't want children). When our eyes spot something of interest, we move closer to get a better look. By moving closer, our other senses get a chance to investigate.

Our noses get to judge pheromones, chemical signals our bodies give off that convey genetic information. Pheromones trigger a physiological or behavioral response in the recipient. Women are move attuned to picking up MHC molecules. MHC, or major histocompatibility complex, has to do with the immune system. Women prefer men whose MHC is very different than theirs. This makes sense because their offspring would get a greater variety of immunities.

Our ears judge whether we are attracted to a voice. Men prefer women with high pitch and breathy voices. These traits indicate a smaller body size. Women prefer men with low pitch voices, which indicate a larger body size.

In terms of touch, physical coldness is associated with emotional coldness. Physical warmth is associated with emotional warmth.

The first kiss is also an important factor. The kiss is an exchange of tactile and chemical cues, such as the smell of the person's breath and how they taste.

Chemicals involved in love include testosterone, estrogen, nerve growth factor, norepinephrine, dopamine, serotonin, oxytocin, and vasopressin. Once your body has confirmed that you are attracted to the person, your heart beats faster. Your pupils dilate and your body releases glucose for additional energy. This is your body telling you that something important is happening - so you should pay attention.

About the Author
  • Julianne (@JuliChiaet) covers health and medicine for LabRoots. Her work has been published in The Daily Beast, Scientific American, and MailOnline. While primarily a science journalist, she has also covered culture and Japanese organized crime. She is the New York Board Representative for the Asian American Journalists Association (AAJA). • To read more of her writing, or to send her a message, go to Jchiaet.com
You May Also Like
AUG 28, 2020
Plants & Animals
Will Traps Solve the Invasive Lionfish Problem?
AUG 28, 2020
Will Traps Solve the Invasive Lionfish Problem?
Extravagant and spiny lionfish were once highly sought after by home aquarium hobbyists. These venomous fish are native ...
DEC 03, 2020
Chemistry & Physics
3-D Printed, Realistic Heart Model for Training Future Physicians
DEC 03, 2020
3-D Printed, Realistic Heart Model for Training Future Physicians
Building a realistic tissue model is critical for training young physicians and surgeons, and yet challenging due to the ...
DEC 28, 2020
Immunology
What Happens When Your Immune System Works Against You?!
DEC 28, 2020
What Happens When Your Immune System Works Against You?!
Our immune system is our army against any molecule that wants to invade our bodies like viruses, bacteria, and cancer. I ...
DEC 28, 2020
Space & Astronomy
China Willing to Share New Moon Samples
DEC 28, 2020
China Willing to Share New Moon Samples
China has recovered the first new moon rock samples in decades, and from a previously unexplored part of the moon. Now w ...
JAN 05, 2021
Space & Astronomy
Could Earth's Microbes Help Us Find Extraterrestrial Life?
JAN 05, 2021
Could Earth's Microbes Help Us Find Extraterrestrial Life?
As scientists are learning more about microbes existing in the higher echelons of the Earth's atmosphere, they are b ...
MAR 26, 2021
Plants & Animals
A Massive 17-Year Cicada Swarm will Emerge Soon
MAR 26, 2021
A Massive 17-Year Cicada Swarm will Emerge Soon
The east coast is preparing for one of nature’s greatest spectacles. A gigantic swarm of periodical cicadas is due ...
Loading Comments...