Tracy Cassels, PhD

Evolutionary Parenting Podcast

Kids EN ↓ 67 episodes

The Evolutionary Parenting Podcast with Tracy Cassels, PhD focuses on topics and research relevant to parents today. Using developmental psychology, biology, anthropology, and evolution as a basis for all discussion, the podcast explores parenting issues like sleep (including sleep training, co-sleeping, and bedsharing), breastfeeding and feeding, discipline, and more. Tracy interviews both professionals who are in the parenting world and researchers whose research is relevant to today's parents. For parents who want to understand how our children have evolved to develop, how we as parents can...

Author

Tracy Cassels, PhD

Category

Kids

Podcast website

soundcloud.com

Latest episode

Mar 16, 2026

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Episodes

Ep. 17: What is an "infant sleep problem"? 01.04.2021

Most parents are led to believe that something is wrong with their babies (or toddlers) because they are waking at night, requiring assistance from parents to settle, or taking a while to fall asleep at night. The common solution is to "sleep train" to "fix" these problems. But what if these aren't actually problems? In this episode, Dr. Levita D'Souza and I discuss the reality of infant sleep and...

Ep. 16: How can we help reduce the risk of asthma, eczema, and allergies in our kids? 25.03.2021

Did you know that half of all babies born today will develop allergies? Up to a third will become asthmatic or suffer from eczema? Chronic disease is something most families are facing with their children and it shouldn't be this way. Join me as I talk to Michelle Henning co-author of Growing Healthy Babies - an evidence based guide to helping reduce our children's risk for chronic disease - about...

Ep. 15: How does sleep-disordered breathing affect your child? 18.03.2021

Does your child snore? Breathe through their mouth? Seem to stop breathing for parts of the night? These are all examples of sleep-disordered breathing, something that can have a large impact on our children's quality of life but is often misunderstood or ignored by parents and medical professionals alike. In this episode, I speak with Dr. David McIntosh, a pediatric ENT who specializes in sleep-d...

Ep. 14: How can we hold space for pregnancy loss? 11.03.2021

Approximately 1 in 3 pregnancies will end in pregnancy loss and the risks are higher for women of colour. This is devastating for those who experience it and yet our culture and many of the people tasked with caring for us during pregnancy are not equipped to help families through these times. This episode I talk with Amy Wright Glenn, the founder of the Institute for the Study of Birth, Breath, a...

Ep. 13: How did cry-it-out become authoritative in our culture? 04.03.2021

It seems like you can't talk to anyone about your baby and their sleep without being told that you have to cry it out or use a modified version, like controlled crying. In our culture, it's the go-to for all sleep problems or even pre-emptive sleep problems. How did we get here? In this episode, I sit down with Dr. Jennie Rosier, a professor at James Madison University and my co-author on a paper...

Ep. 12: What can we learn about parenting from dead babies from the past? 25.02.2021

We can only understand our present when we understand our past, right? But how can we do that when the evidence of that past is gone? When the stories aren't passed down or recorded? This week we explore this question with bioarchaeologist Dr. Sian Halcrow of the University of Otago who does just this. She studies the bones of dead babies to help us better understand the practices and environments...

Ep. 11: How does child anxiety affect sleep training? 18.02.2021

How does child anxiety affect sleep training? It's a question I've thought a lot about and always been frustrated that no one has ever thought to consider these children. This week I got to talk to Dr. Michal Kahn, the first researcher I know to consider the experience of anxiety - in this case separation anxiety - in the effectiveness of different sleep training methods. And while we don't agree...

Ep. 10: Does artificial sweetener use in pregnancy affect babies? 11.02.2021

Do you use artificial sweeteners? Did you use them while you were pregnant? In our quest to curb sugar, we've moved towards a high use of these sweeteners without necessarily thinking about the effects. This week I had the chance to chat with Dr. Meghan Azad, a lead researcher in the field of understanding the effects of artificial sweeteners (or non-nutritive sweeteners as I learned they should b...

Ep. 9: Does sleep training affect attachment? 04.02.2021

Why does research not find a relationship between sleep training and attachment? Isn't the idea that we need to be responsive regularly to foster secure attachment? And isn't sleep training the opposite of that? This week, Dr. Levita D'Souza, a counselling psychologist and attachment researcher, joins me to discuss the many reasons why we may not find a relationship in the research. Or at least no...

Ep. 8: What happens to the brain during pregnancy and beyond? 27.01.2021

What happens to the brain during pregnancy and beyond? How does our parenting impact our children's neurological development for life? This week, I speak to Dr. Greer Kirshenbaum, the world's first neuroscientist-doula, about the research on how pregnancy affects our brains and how it primes us to parent in particular ways. Not only that, but how this neurological priming impacts our babies' devel...

Ep. 7: What is education outside the modern school system? 20.01.2021

In this episode, Tracy Gillett (of Raised Good) and I discuss the issue of alternative schooling. Specifically, what does education look like when you aren't using modern schools? What kinds of struggles can you face and what are the benefits to things like forest schooling, homeschooling, unschooling, and more? Drawing on our own experiences and a discussion of the research on education, I hope t...

Ep 6: How does sleep training in infancy impact infant behaviour at 1 year? 12.01.2021

In this episode, I had the chance to chat with Dr. Gerald Giesbrecht of the University of Calgary about a recent study looking at the factors associated with and outcomes of delaying our responsiveness to our babies cries. Is this something that is beneficial? What are the nuances in the research that often don't get the space in mainstream science reporting? We go into all of this here. I hope yo...

Ep 5: What are the barriers to breastfeeding facing families with hospitalized or ill children? 04.01.2021

In this interview with Lyndsey Hookway of Feed Sleep Bond and Holistic Sleep Coaching, we don't actually talk about sleep! Instead I got to ask Lyndsey about her research in the barriers and struggles facing families who are breastfeeding children with various medical conditions, including acute illness, chronic illness, life-threatening illness, and congenital problems. It is heartbreaking at tim...

Ep 4: How do we move towards gentle parenting across cultures? 20.12.2020

In this interview, I talk to the founder of the Gentle Mama, Halyley Bukhamsin. She is a UK ex-pat living in Dubai and trying to help families move towards a more gentle response to their child's sleep. Most interesting to me is the cultural variety in Dubai and the unique circumstances that poses for someone working across so many cultures. I hope you enjoy this as much as I did and I thank Hayle...

Ep 3: What are the sleep struggles facing families today? 04.12.2020

This episode I interview Carly Grubb, the amazing founder of the Beyond Sleep Training Project and the charity Little Sparklers, based in Australia. We talk about all we can relating to her work, sleep training, orchid kids, and the struggles facing so many families today!

Ep 2: Responsive Parenting - When Needs Become Wants 22.02.2017

When do our children's needs morph into wants? How are we supposed to be responsive without "giving in"? These are some of the questions that I talk about with a mother looking for answers about how to be a loving, responsive, and sensitive parent without harming her child's budding independence.

Ep 1: Does breastfeeding on demand lead to expectation of immediate sexual gratification in adults? 13.11.2016

In this inaugural episode, Pinky McKay and I chat about an interesting question: Does breastfeeding on demand at night lead to the expectation of immediate sexual gratification in adulthood? This was a question given to me by a reader who was told this would be the case by a close friend. Sadly, too many people still link breastfeeding or nursing with sex and think that allowing a child to feed on...

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