Browse: Home / baby / Little girls play differently when they grow up on a soy-based formula

Menu

Skip to content
  • About
  • Better Body Chemistry School
  • Book a health conversation
  • Speaking query
  • The “Big” Spoons
Header image

BBC

Small things can make a big difference to your health

advertisement

Menu

Skip to content
  • Home
  • Free Resources
    • 31 days to Better Body Chemistry
    • Willpower Report
    • Weight loss e-course
    • The ups and downs of insulin resistance
    • Candy Floss Boards
    • Weight tracker
  • Library
  • Shop
  • Baobab Adventures
  • Lucky dip
  • Buy me a coffee
  • Video gallery
  • Contact

Little girls play differently when they grow up on a soy-based formula

Posted by Dr Sandy on in baby | 1183 Views | Leave a response

Watch on YouTube

Click to listen to the audio…

Little girls growing up on soy, play differently

phytoestrogen changing how a little girl plays

The sex hormones are involved in tweaking brain development, turning a baby’s brain into a little girl brain. The phytoestrogens in soy, disturb this process.

The milk machine is just not keeping junior adequately nourished………..

It is time for PLAN B. Some kind of supplemental feeding. What should you choose ?

The shelves are full of options.

Often times, the product is selling you on the nutritional value. Extra this, extra that. But the one EXTRA ingredient that often flies under the radar, is the presence of phytoestrogens.

If the formula is soy-based, then it has phytoestrogens, lots of them.

Phytoestrogens ?

If you say, that sounds like estrogen, the chief “lady” hormone.

You’re right.

Soy comes packed full of plant (phyto) estrogens. The exact amount will vary, because just like humans, what a plant produces, varies based on “lifestyle”.   In the case of the plant, how hot it is, the soil conditions, the presence of nasty bugs, attempting to eat them, all impacts the chemicals they create.

Typically these chemicals are classified at GOOD – they’re anti-oxidants. The ones in soy plants, belong to a chemical group known as the isoflavones. Daidein and genistein are the two most well characterized of the soy isoflavones.

But, don’t get duped by the anti-oxidant label.

First and foremost they are estrogens

This means that inside our body, they are capable of binding to the same receptors as our own estrogens. In fact, they’re actually significantly better at doing this, than the estrogens our own body’s produce.

They bind better, they don’t always work better.

Sometimes they do – which is why post-menopausal women often supplement with soy-based products. They’re hoping to put back the estrogen that has “left the building” and avoid some of the problems that arise, when she goes missing. Sometimes they actually stop, our own estrogen from going about her business.

So why does this matter in junior ?

Estrogens don’t just build our lady parts, when we hit puberty.   In little ones, the sex hormones are involved in tweaking brain development, turning a baby’s brain into a little girl brain.

A little girl brain

Thinks differently from a little boy’s brain. This is why girls and boys behave differently.

And when little girls are exposed to soy…….. they play “differently”

This is what a group of researchers from the Gillings School of Global Public Health discovered, when they assessed the playing styles of 7076 pre-schoolers, at the age of 42 months and correlated this with their soy exposure.

The 3664 boys and 3412 girls in there study, were categorized as

  • No exposure – if they had been primarily breast fed up to 6 months
  • Early formula – if they had not received any soy-based formula before 4 months, but were formula fed, not breast fed
  • Early exposure – if they had been fed a soy-based formula before 4 months
  • Late exposure – if they had been fed a soy-based formula between 4 months and 15 months

Playing styles

Scientists have developed tools to help them monitor children’s playing styles. One of these tools is the pre-school activities inventory (PSAI), which asks “Moms” what toys, activities and characteristics, their little one exhibits.

There is no wrong or right answer to the test.

The final score reflects how girl-like or boy-like the little one’s brain is. And it isn’t a 100 % accurate, it can be influenced by lots of things, including Mom’s own perceptions, the presence or absence of a Daddy, a big brother or a big sister.

Girls typically score somewhere in the thirties and boys typically score somewhere in the sixties.

Brain’s on soy

In the case of little boys, the research team found no real differences in behaviours. Little boys, were little boys. Eish !

But, little girls who were started off on a soy-based formula scored a little higher, than little girls that had been breast fed or fed formula, that was not soy based.

They still had little girl brains. But, they were slightly less girley.

So what ?

A boy brain is an asset

Maybe this is a good thing ?

Let’s be honest, even if we don’t like to admit it, the world still seems to be stacked in favour of the male gender. Thinking a little bit more like a boy, might just help your little girl get ahead in the long run.

Yes, but……

It is a red flag.

It confirms that exposing little girls to phytoestrogens during their early development, is not innocuous. It has an effect…..

What else does it do ?

At this stage, we don’t have a clue. But, there are some rather ominous possibilities…………….. estrogen is THE CHIEF hormone of a lady.

She is involved in

  • breast health,
  • puberty,
  • fertility,
  • bone health,
  • heart health

Foreign versus plant

BPA (bisphenol A), has been banned from baby bottles around the globe, because of it’s ability to mimic estrogen. BPA is classified as a xenoestrogen i.e. a foreign or man-made estrogen.

As an EXTRA estrogen, BPA is actually a wimp, it is not very potent. The phytoestrogens are significantly more capable of causing trouble. So why the discrimination ?

And underlying belief, that because it comes from a plant, it must be SAFE.

Natural does not mean SAFE

Don’t feed your little girl or little boy, a soy-based formula – there are other options, which will provide baby with the necessary nutrition, without exposing them to UNNATURAL levels of estrogen, at a time when baby is still developing.

Early-life soy exposure and gender-role play behaviour in children. Environmental Health Perspectives (2011) 119(12): 1811-1816. Margaret A. Adgent, Julie L. Daniels, Llyod J. Edwards, Anna Marie Siega-Riz, Walter J. Rogan.

Further reading

phytoestrogen watering breast

Soy might not be protecting women from breast cancer

Tumour talk turns nasty in breast cancer cells, when women with breast cancer, sip on soy shakes.

phytoestrogens taking out sperm

Soy foods shooting down the little guys

We’ve been programmed to believe soy is a health food, but as far sperm are concerned, the lady of the soy bean wreaks havoc on sperm counts.

phthalates in moms urine sample

When your world smells good, your baby’s world is polluted

Phthalates, make things smell good, but, they look a lot like our hormones, since hormones run our body chemistry, this similarity is problematic.

 

Want to discover more ways to create BETTER BODY CHEMISTRY ?

[mailerlite_form form_id=1]

NOTE : Privacy & spam policy. Spoonful of Science will not rent, trade or sell the e-mail list to anyone. You can unsubscribe at any time by following the unsubscribe link.

Posted in baby | Tagged anti-oxidants, baby, BPA, brain, brain development, breast feeding, estrogen, formula feeding, isoflavones, menopause, milk, phytoestrogen, playing, soy-based formula, xenoestrogen

Instagram

betterbodychemistry
@betterbodychemistry
Follow
LOW cholesterol isn’t automatically safe.

That’s the curveball.

We focus so hard on lowering LDL…
we forget it’s doing a job.

And midlife is when these conversations start showing up —
cholesterol, statins, shifting risk.

If this is on your radar…
there’s a free Navigating the Middle Years bundle open right now.

50+ resources on midlife health, hormones and what’s actually going on.

⏳ Closes tomorrow

Hop inside, you'll find the link in bio.

#midlifehealth #menopausehealth #womenshealthover40
#cholesterol #statins #ldl #hearthealth
#metabolichealth #biologymatters
betterbodychemistry
betterbodychemistry
•
Follow
LOW cholesterol isn’t automatically safe. That’s the curveball. We focus so hard on lowering LDL… we forget it’s doing a job. And midlife is when these conversations start showing up — cholesterol, statins, shifting risk. If this is on your radar… there’s a free Navigating the Middle Years bundle open right now. 50+ resources on midlife health, hormones and what’s actually going on. ⏳ Closes tomorrow Hop inside, you'll find the link in bio. #midlifehealth #menopausehealth #womenshealthover40 #cholesterol #statins #ldl #hearthealth #metabolichealth #biologymatters
5 months ago
View on Instagram |
1/9
You know that phase where things just feel a bit… off? 👀 Like what used to work for your body and health just doesn’t anymore, but you’re not totally sure what to do about it? Yeah. That one.

I am so excited to announce that my workshop, Cholesterol Curveball: What Women Need to Know, is officially part of the Navigating The Middle Years Bundle! If you've been feeling confused or overwhelmed by your changing cholesterol numbers during midlife, I created this specifically to give you practical, no-fluff answers.

Even better, I’ve teamed up with a group of amazing creators to include my workshop alongside 50+ other resources designed exactly for this stage of life. The bundle covers: ✨ energy + health (including my cholesterol workshop!) ✨ confidence + boundaries ✨ “what now?” clarity ✨ practical next steps

🎁 It’s completely free (for a limited time).

Head to the link in my bio to grab your free copy before it's gone!

#CholesterolManagement
#WomensHeartHealth
#HighCholesterol
#MenopauseHealth
#PerimenopauseHealth
#MidlifeWomen
#NavigatingMidlife
#WellnessJourney
betterbodychemistry
betterbodychemistry
•
Follow
You know that phase where things just feel a bit… off? 👀 Like what used to work for your body and health just doesn’t anymore, but you’re not totally sure what to do about it? Yeah. That one. I am so excited to announce that my workshop, Cholesterol Curveball: What Women Need to Know, is officially part of the Navigating The Middle Years Bundle! If you've been feeling confused or overwhelmed by your changing cholesterol numbers during midlife, I created this specifically to give you practical, no-fluff answers. Even better, I’ve teamed up with a group of amazing creators to include my workshop alongside 50+ other resources designed exactly for this stage of life. The bundle covers: ✨ energy + health (including my cholesterol workshop!) ✨ confidence + boundaries ✨ “what now?” clarity ✨ practical next steps 🎁 It’s completely free (for a limited time). Head to the link in my bio to grab your free copy before it's gone! #CholesterolManagement #WomensHeartHealth #HighCholesterol #MenopauseHealth #PerimenopauseHealth #MidlifeWomen #NavigatingMidlife #WellnessJourney
5 months ago
View on Instagram |
2/9
There is still time to catch my session and tune into all the other amazing presentations happening inside the Bloom & Be Summit. 

Its a free virtual Self-Care Experience for anyone who wants growth, joy, and intentional living…but doesn’t resonate with hustle culture or rigid routines. 

This experience is about small, meaningful shifts that expand your capacity…not overwhelm it.

NOTE : You don’t have to watch everything. You don’t have to change everything. You’re allowed to move gently.

If you’re ready for self-care that meets you where you are, Bloom + Be might be exactly what you need.

Join us March 24–26 (🔗in-bio)

#BloomAndBeSummit #SweetDreams #NightRoutine #BedtimeRitual #SelfCareSummit #RestfulSleep #GentleLiving #FireflyKisses #WindDown #DeepSleep
betterbodychemistry
betterbodychemistry
•
Follow
There is still time to catch my session and tune into all the other amazing presentations happening inside the Bloom & Be Summit. Its a free virtual Self-Care Experience for anyone who wants growth, joy, and intentional living…but doesn’t resonate with hustle culture or rigid routines. This experience is about small, meaningful shifts that expand your capacity…not overwhelm it. NOTE : You don’t have to watch everything. You don’t have to change everything. You’re allowed to move gently. If you’re ready for self-care that meets you where you are, Bloom + Be might be exactly what you need. Join us March 24–26 (🔗in-bio) #BloomAndBeSummit #SweetDreams #NightRoutine #BedtimeRitual #SelfCareSummit #RestfulSleep #GentleLiving #FireflyKisses #WindDown #DeepSleep
6 months ago
View on Instagram |
3/9
If you’ve been craving self-care that actually supports your real life…this is for you.

Bloom + Be: A Gentle Self-Care Experience is a free, 3-day virtual self-care event happening March 24-26, created for creative, kindhearted women who want more joy, clarity, and momentum…without hustle culture or pressure.

This isn’t about adding more to your to-do list.

It’s about caring for your mind, body, and energy in ways that help you feel lighter and more connected to yourself.

Come exactly as you are. Take what helps. Leave the rest.

Free tickets are available now (🔗in-bio)

#BloomAndBe
#BloomAndBeSummit
#SleepBetter
#FallAsleepFast
#SleepScience
#MindBodySoul
#SlowLiving
#NourishYourself
#HolisticWellness
betterbodychemistry
betterbodychemistry
•
Follow
If you’ve been craving self-care that actually supports your real life…this is for you. Bloom + Be: A Gentle Self-Care Experience is a free, 3-day virtual self-care event happening March 24-26, created for creative, kindhearted women who want more joy, clarity, and momentum…without hustle culture or pressure. This isn’t about adding more to your to-do list. It’s about caring for your mind, body, and energy in ways that help you feel lighter and more connected to yourself. Come exactly as you are. Take what helps. Leave the rest. Free tickets are available now (🔗in-bio) #BloomAndBe #BloomAndBeSummit #SleepBetter #FallAsleepFast #SleepScience #MindBodySoul #SlowLiving #NourishYourself #HolisticWellness
6 months ago
View on Instagram |
4/9
Everyone fears sugar spikes… but almost no one realises sugar crashes shake your blood vessels too.
Inside your bloodstream, stability matters more than perfection.

Agent Vaso is the quiet operator keeping your flow steady — until things drop faster than he can respond.

If you want more molecule-level stories that help you understand what’s actually happening in your body, follow along.

This is the biology no one ever teaches you.

#sugarcrash
#hypoglycemia
#bloodflow
#endothelium
#vascularhealth
#bloodvessels
#healthyflow
#glucoselevels
#glycemicvariability
#betterbodychemistry

#betterbodychemisty
betterbodychemistry
betterbodychemistry
•
Follow
Everyone fears sugar spikes… but almost no one realises sugar crashes shake your blood vessels too. Inside your bloodstream, stability matters more than perfection. Agent Vaso is the quiet operator keeping your flow steady — until things drop faster than he can respond. If you want more molecule-level stories that help you understand what’s actually happening in your body, follow along. This is the biology no one ever teaches you. #sugarcrash #hypoglycemia #bloodflow #endothelium #vascularhealth #bloodvessels #healthyflow #glucoselevels #glycemicvariability #betterbodychemistry #betterbodychemisty
7 months ago
View on Instagram |
5/9
If you enjoy understanding your chemistry instead of guessing, come hang out in my world.

👉 Follow @betterbodychemistry
👉 Join my weekly email list - you will find the link in my bio

#nocturia #nighttimepee #sleephealth #hearthealth #fluidretention #metabolichealth #insulinresistance #betterbodychemistry #scienceexplained #healthscience #overactivebladder #sleepbetter #agingwell
betterbodychemistry
betterbodychemistry
•
Follow
If you enjoy understanding your chemistry instead of guessing, come hang out in my world. 👉 Follow @betterbodychemistry 👉 Join my weekly email list - you will find the link in my bio #nocturia #nighttimepee #sleephealth #hearthealth #fluidretention #metabolichealth #insulinresistance #betterbodychemistry #scienceexplained #healthscience #overactivebladder #sleepbetter #agingwell
7 months ago
View on Instagram |
6/9
I’ve spent a long time trying to figure out how to explain what I actually do in a way that feels honest — not salesy, not dramatic, and not simplified to the point of being wrong.

What I finally landed on is something I call Unlocking Better Body Chemistry.

It’s not a program or a protocol.
It’s a way of looking at health problems — especially metabolic ones — that focuses on why things aren’t responding, instead of just chasing symptoms.

Most people I talk to are already doing a lot of “right” things.
They’re just doing them without a clear understanding of how their own body is functioning.

This framework is how I make sense of bloodwork, symptoms, and context together — and how I help people stop guessing about what actually matters.

I’ve put it all into a page so it’s clear, grounded, and easy to read.

If you’re curious, you can read it here. (link in first comment)

#signatureframework #metabolichealth #healthframework #healthwithoutthehype
betterbodychemistry
betterbodychemistry
•
Follow
I’ve spent a long time trying to figure out how to explain what I actually do in a way that feels honest — not salesy, not dramatic, and not simplified to the point of being wrong. What I finally landed on is something I call Unlocking Better Body Chemistry. It’s not a program or a protocol. It’s a way of looking at health problems — especially metabolic ones — that focuses on why things aren’t responding, instead of just chasing symptoms. Most people I talk to are already doing a lot of “right” things. They’re just doing them without a clear understanding of how their own body is functioning. This framework is how I make sense of bloodwork, symptoms, and context together — and how I help people stop guessing about what actually matters. I’ve put it all into a page so it’s clear, grounded, and easy to read. If you’re curious, you can read it here. (link in first comment) #signatureframework #metabolichealth #healthframework #healthwithoutthehype
7 months ago
View on Instagram |
7/9
If your liver folded watching this — you’re exactly who I talk to every week.

Not your standard eat less and move more advice.
Not wellness fluff.
Biochemistry.

Join the Better Body Chemistry list.
📩 Link in bio.

#fattyliver
#insulinresistance
#metabolichealth
#alcoholandhealth
#metabolicstress
#insulinresistant
#metabolichealthtips
#NAFLD
#betterbodychemistry
betterbodychemistry
betterbodychemistry
•
Follow
If your liver folded watching this — you’re exactly who I talk to every week. Not your standard eat less and move more advice. Not wellness fluff. Biochemistry. Join the Better Body Chemistry list. 📩 Link in bio. #fattyliver #insulinresistance #metabolichealth #alcoholandhealth #metabolicstress #insulinresistant #metabolichealthtips #NAFLD #betterbodychemistry
8 months ago
View on Instagram |
8/9
Your body isn’t misbehaving.
Its clocks are out of sync.

Every cell runs a molecular timekeeper — CLOCK, BMAL, PER and CRY — driving your energy, appetite, sleep pressure and mood.

When those clocks drift, everything feels “off,” and people blame willpower instead of timing.
If you want science that explains your biology (not wellness slogans), link in bio to join my email list

#circadianrhythm #molecularclock #CLOCK #BMAL #PER #CRY #circadianbiology #bodyclock #metabolism #timing #BetterBodyChemistry
betterbodychemistry
betterbodychemistry
•
Follow
Your body isn’t misbehaving. Its clocks are out of sync. Every cell runs a molecular timekeeper — CLOCK, BMAL, PER and CRY — driving your energy, appetite, sleep pressure and mood. When those clocks drift, everything feels “off,” and people blame willpower instead of timing. If you want science that explains your biology (not wellness slogans), link in bio to join my email list #circadianrhythm #molecularclock #CLOCK #BMAL #PER #CRY #circadianbiology #bodyclock #metabolism #timing #BetterBodyChemistry
8 months ago
View on Instagram |
9/9
View on Instagram
  • Popular
  • Featured
  • Recent
  • asprosin the sugar plum fairy

    Why sugar levels are high despite NOT eating

    23088 views / Posted
  • oatmeal breakfast being beaten by egg

    Which is a better breakfast, egg or oatmeal ?

    22833 views / Posted
  • poop getting stuck

    The fix for constipation is to go on a low fibre diet

    22547 views / Posted
  • chewing gum relieving postoperative ileus

    A stick of chewing gum gets the gut going after surgery

    17013 views / Posted
  • carbonated water bubbles fill you up

    Fizzing up the water flattens your appetite

    15892 views / Posted
  • sun extracting cholesterol

    Make sure you have your “annual” check-up in the summer time

    / Dr Sandy
  • sending your kid to bootcamp won't stop childhood obesity

    Moving more won’t stop your kid from getting fat

    / Dr Sandy
  • cholesterol at the scene of the accident

    Bone cells are stiffening up your arteries not cholesterol

    / Dr Sandy
  • brain size the problem in ADHD

    Are kids with ADHD just acting according to their brain age

    / Dr Sandy
  • plastering the blood vessel with calcium

    Calcium supplements are building bones and breaking hearts

    / Dr Sandy
  • Plant baring hamburgers

    Does Soy Build Muscle? Exploring the Science Behind Protein Choices

    / Dr Sandy
  • img-35

    The Dark Side of Weight Loss Drugs

    / Dr Sandy
  • Mother Nature stealing from peter to pay paul

    Are You Losing Muscle Without Realizing It? Here’s How to Protect It

    / Dr Sandy
  • img-37

    Your Resting Heart Rate could be a Red Flag for Metabolic Trouble

    / Dr Sandy
  • baby muscle mesmerized by the TV

    Tots watching too much TV end up being muscle flops

    / Dr Sandy

RSS Recent posts

 
 
 

Categories

Featured posts

  • asprosin the sugar plum fairy

    Why sugar levels are high despite NOT eating

    23088 views / Posted
  • oatmeal breakfast being beaten by egg

    Which is a better breakfast, egg or oatmeal ?

    22833 views / Posted
  • poop getting stuck

    The fix for constipation is to go on a low fibre diet

    22547 views / Posted
 

©2011-2025 Spoonful of Science

Menu

  • Meet Dr Sandy
  • Disclosure/disclaimer
  • Privacy policy
  • Comment policy
  • Contact