Field Notes
Research translated for real life. Science you can use today, with the child in front of you.
When Do Baby Poop Patterns Follow the Circadian Rhythm?
Somewhere between 3 and 6 months, your baby's gut organizes itself in time. Here's the molecular clock behind it — and the behavioral signs it's happening.
March 24, 2026
Will Your Baby Still Know You as Mom If You Hire a Nanny?
A common fear among parents returning to work. The attachment research says the bond with a nanny doesn't compete with yours — here's why.
March 24, 2026
Pumping vs. Breastfeeding for Preemies: Does Mode Matter?
For parents of preterm infants, the evidence is clear on one thing: the milk is what matters most. But the mode of delivery is not completely irrelevant. Here's what the research actually says.
March 24, 2026
Does Secondhand Vape During Pregnancy Increase SIDS Risk?
Nicotine, not just smoke, is linked to SIDS. Here's what the science says about secondhand vaping during pregnancy and your baby's actual risk.
March 24, 2026
Does Daily TV Wreck Your Toddler's Attention Span?
Your toddler watches one Bear in the Big Blue House episode daily and sings along. Is that ruining their focus? The research is more specific than you think.
March 24, 2026
Visual Clutter Stresses Kids Out — and They Never Adapt
Clutter increases cognitive load and stress in children. The evidence is real, the effect is persistent, and the fix isn't a bare white room.
March 24, 2026
Are White Noise Machines Safe for Babies?
White noise machines can harm babies — but only at wrong settings. Here's what the AAP recommends and why volume and duration are all that matter.
March 24, 2026
Does Sleeping on Dad's Side Really Help Babies Settle Faster?
The viral claim that breast milk scent triggers feeding cues has real science behind it — but the specific sleep hack hasn't been tested.
March 23, 2026
Does What You Eat Make Your Breastfed Baby Gassy?
The short answer: probably not. The science behind why 'gassy foods' is mostly a myth — and the one exception that actually matters.
March 23, 2026
My Baby Was Exposed to a Cold Sore: How Scared Should I Be?
The actual risk to a 7-month-old from cold sore exposure is much lower than Google will tell you — here's the science on why.
March 23, 2026
Can Grief or Stress Actually Cause a Miscarriage?
The evidence on stress and early pregnancy loss — and why the 'don't stress or you'll lose the baby' warning does more harm than good.
March 23, 2026
Does Sleep Training Help Babies Hit Milestones Faster?
Sleep training itself doesn't accelerate developmental milestones — but sleep quality does. Here's what the evidence actually shows.
March 23, 2026
Why Your 2-Year-Old Rejects Grandma (And Why That's Actually Good)
Toddler caregiver preferences, stranger fear, and grandparent rejection are developmentally normal — and the rejection part is actually a sign of healthy attachment.
March 23, 2026
Should Babies Drink Water? Here's the Answer.
No water before 6 months — for breastfed and formula-fed babies alike. Here's why the rule exists and what happens when it's broken.
March 23, 2026
Audiobooks Aren't Screen Time — What the Research Shows
Audiobooks aren't screen time — and research shows audio storytelling may outperform video on imagination, vocabulary, and social cognition.
March 22, 2026
Breastfed Baby Vitamin Drops: Which Ones Actually Matter
NHS recommends vitamin D drops from birth. Parents assume breast milk covers everything. Here's which supplements the evidence actually supports.
March 22, 2026
Cold Sore Near a Newborn: The Contagion Timeline
A cold sore near a newborn is a real risk. Here's the contagion timeline, when precautions can lift, and what HSV research says about keeping your baby safe.
March 22, 2026
Contact Napping to Independent Sleep: What Research Shows
Your contact-napping newborn isn't broken — but the dark-all-day room may be backfiring. What research says about infant sleep independence.
March 22, 2026
High Palate Fine for Feeding — But Sleep Is Another Story
A high-arched palate appeared in 59% of sudden infant deaths. Here's what this reveals about sleep apnea and what parents should watch for.
March 22, 2026
Is 3 the Magic Age for Daycare? What the Research Actually Says
Keeping a 3-year-old home vs. starting preschool: what the NICHD data, the stress literature, and half-day vs. full-day studies actually show.
March 22, 2026
Baby at 40 With a 50-Year-Old Partner: What Evidence Says
When both partners are older, risks stack. Here's what research shows about miscarriage, chromosomal abnormalities, paternal age, and screening.
March 22, 2026
Your Newborn Looked Gorgeous to You. Science Explains Why.
Science explains the neurological love goggles that make your own baby look gorgeous — and why that parenting bias is doing exactly what evolution intended.
March 22, 2026
Why Prolactin Peaks at 2 AM: What It Means for Night Feeds
Your body spikes prolactin at 2 AM for a reason. A 2025 hypothesis reframes what's happening — and what it means for night feeding and your milk supply.
March 22, 2026
Reading in the Dark Won't Damage Your Child's Eyes
Reading in dim light won't damage your child's eyes. But there's a real myopia risk worth knowing — what evidence says about near-work and outdoor time.
March 22, 2026
The Best Toddler Helmet Is the One That Fits
MIPS matters. CPSC certification is required. But a poorly-fitting helmet nearly doubles injury risk. Here's how to actually protect your kid.
March 22, 2026
Vaccines Don't Make Babies Immunocompromised — Here's Why
Your parents want a dedicated laundry machine because your vaccinated baby is 'immunocompromised.' They're wrong on both counts — here's the science.
March 22, 2026
Bed Sharing vs Own Room: What Research Says for Toddlers
Four common claims about toddler co-sleeping, run through the actual studies. The answer is more neutral than either side admits.
March 21, 2026
Blood in Baby's Stool: Do You Have to Stop Breastfeeding?
A consultant told one mom to quit breastfeeding immediately. Current guidelines say otherwise. What the evidence says about FPIAP and elimination diets.
March 21, 2026
Budesonide Nasal Spray During Pregnancy: Is It Safe?
Is budesonide nasal spray safe during pregnancy? Evidence from 6,600+ exposures, FDA data, and what clinical guidelines actually recommend for pregnancy rhinitis.
March 21, 2026
Does Starting Daycare at 12 vs 14 Months Actually Matter?
The NICHD spent decades studying exactly this question. The answer isn't about the calendar — it's about something else entirely.
March 21, 2026
Best Time of Day to Take the Mini-Pill While Breastfeeding?
The prolactin circadian rhythm is real. But does pill timing actually matter for milk supply? The answer is more nuanced than you'd expect.
March 21, 2026
Can You Elevate a Toddler's Crib Mattress During a Cold?
Can you safely elevate a toddler's crib mattress during a cold? Evidence-based guidance on when infant incline rules no longer apply — and better solutions.
March 21, 2026
Can a 7-Month-Old Have Hay Fever? What Pollen Exposure Actually Does
Does early pollen exposure prevent hay fever in babies? Evidence shows airborne allergens differ from foods — here's what research says about infant atopy risk.
March 21, 2026
Can You Speed Up Postpartum Hair Loss?
You can't rush your follicles. Here's the biology behind postpartum telogen effluvium and why washing more often won't move the clock.
March 21, 2026
Power Lines Near Your Home: What's the Real Risk for Kids?
500kV lines 100 feet from your house. The WHO says 'possibly carcinogenic.' Here's what that actually means for your family.
March 21, 2026
Screen Meltdowns in Toddlers: Normal Protest or Dysregulation?
Your 23-month-old melts down every time the iPad goes away. Is that a screen problem or just a toddler problem? Both. Here's the evidence.
March 21, 2026
Does Secondhand Cannabis Smoke Affect Breast Milk?
Secondhand cannabis smoke won't contaminate your breast milk from brief outdoor exposure. Here's what the peer-reviewed evidence actually shows about THC transfer.
March 21, 2026
Toddler Self-Esteem: What the Research Says Actually Builds It
The praise you give a 2-year-old predicts their mindset at age 7. Here's the specific research on what builds self-esteem at this age.
March 21, 2026
Does Tummy Time Surface Matter for Motor Development?
Play mat vs. hardwood vs. carpet: what does the research actually say about surface firmness and infant motor development? The answer will surprise you.
March 21, 2026
What Actually Makes a Kids' Show 'Overstimulating'? The Science Has a Specific Answer
Speed isn't the main culprit. Fantasy is. Here's what the research says about Bluey, SpongeBob, and what's actually happening to your kid's brain.
March 21, 2026
Get notified when we publish
Join our newsletter for the latest insights, activities, and updates delivered to your inbox.
Science-backed. Private by design. No spam.