How do we raise resilient teens in a world shaped by social media, appearance-driven trends, and rising mental health challenges?
What makes adolescents think, process, and cope differently than adults?
And why do experienced clinicians know that weight, and even “normal” lab work, doesn’t always tell the whole story?
In Part 2 of our conversation with adolescent medicine physician Dr. Risa Fridy, we explore the unique developmental stage of adolescence and why caring for teens requires a different approach than caring for adults.
From viral trends like looksmaxxing and the pressure to curate the “perfect” appearance, to understanding why eating disorders often serve as coping mechanisms rather than being solely about food, we unpack the complex social, psychological, and biological factors shaping adolescent health today.
We also take a deep dive into the medical side of eating disorders. Dr. Fridy explains why weight alone never tells the whole story, why clinicians look beyond whether a laboratory value falls within the “normal” range, and how markers like T3 can provide critical insight into nutritional status.
We discuss sick euthyroid syndrome, the body’s adaptations to malnutrition, and what happens to the developing adolescent brain when it doesn’t receive adequate nourishment, including increased rigidity, difficulty with flexible thinking, anxiety, and impaired decision-making.
Whether you’re a parent, healthcare provider, educator, or simply interested in adolescent health, this episode offers practical strategies and evidence-based insights for supporting teens with compassion and understanding.
In This Episode We Discuss
- Why adolescence is a unique stage of brain development
- The role of the developing prefrontal cortex in decision-making, impulse control, and emotional regulation
- Why teens tend to think more concretely, take statements literally, and naturally focus on themselves as part of normal development
- Social media’s influence on body image and the rise of trends like “looksmaxxing”
- Practical ways parents can build resilience instead of perfection
- Why eating disorders often function as coping mechanisms rather than simply being about food or weight
- Why eating disorders are chronic illnesses that require long-term multidisciplinary care
- What happens to the adolescent brain during malnutrition, including increased cognitive rigidity and reduced mental flexibility
- Why clinicians monitor much more than body weight during eating disorder treatment
- The importance of interpreting laboratory values within the clinical context, not simply whether they’re “normal”
- Why T3 is one of the most informative markers of nutritional status
- Understanding sick euthyroid syndrome and how the body conserves energy during starvation and undernutrition
- What medical recovery actually looks like—and why normalization of weight doesn’t always mean full physiological recovery
Key Takeaways
- The adolescent brain is still developing well into the mid-20s, making communication and treatment approaches fundamentally different from those used with adults.
- Social media can amplify appearance concerns, but resilience, connection, and emotional safety remain some of the strongest protective factors.
- Eating disorders are complex biopsychosocial illnesses that often develop as ways to cope with overwhelming emotions, anxiety, or distress.
- Malnutrition affects every organ system, including the brain, leading to increased rigidity, black-and-white thinking, impaired concentration, and heightened anxiety.
- Medical providers evaluate trends, symptoms, physical examination findings, vital signs, growth, and laboratory values together.
- A lab result that falls within the reference range isn’t always optimal or reassuring in the context of an eating disorder.
- Low T3 and sick euthyroid syndrome are common physiologic adaptations to undernutrition, reflecting the body’s effort to conserve energy rather than indicating primary thyroid disease.
Listen If You Want to Learn About
- Adolescent brain development
- Parenting teenagers
- Social media and mental health
- Looksmaxxing and body image
- Raising resilient kids
- Eating disorders as coping mechanisms
- Medical complications of eating disorders
- T3 and eating disorders
- Sick euthyroid syndrome
- Malnutrition and the brain
- Adolescent medicine
- Nutrition and mental health
If you’ve ever wondered why teens think differently than adults, why eating disorders are so much more than food, or why experienced clinicians pay close attention to labs like T3 even when other results appear “normal,” this episode is for you.
Be sure to listen to Episode 13: Adolescent Medicine 101 What Parents and Clinicians Need to Know with Dr. Fridy (Part 1).
Dr. Risa Fridy is an adolescent and young adult medicine physician in New York City. Dr. Fridy is the founder of Tribeca Adolescent &; Young Adult Medicine, where she provides adolescent and young adult patients with personalized, highly-attentive, and comprehensive medical, as well as emotional care. Learn more about Tribeca Adolescent & Young Adult Medicine here.
LCWNS RD, Gabrielle Finora, specializes in helping teens manage their health & wellness. If your child is struggling, contact us for support.




