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October 9, 2025 34 mins

In this episode of When I Grow Up, Sienna sits down with her Dad Ben and health superstar Dr Libby Weaver—because Sienna wants to be just like her! Teens, take note: if you’ve ever wondered how to eat, sleep, and handle stress without losing your mind, this episode is packed with advice just for you. 

Dr Libby is all about helping people, especially teens, understand their bodies—how food, sleep, stress, and hormones affect energy, mood, and overall wellbeing. She’s written 13 books, spoken to huge audiences, and shared tips online that help people feel better, live healthier, and get more out of every day.

This conversation covers:

● Teen health tips: what to eat, why sleep matters, how to handle stress, and what’s really going on with hormones

● How screens, social media, and stress mess with sleep and moods

● Growing up in nature and how it shaped her approach to food and health

● How she went from thinking about journalism to choosing a career helping people through science and turning it into a career that impacts people all over the world

● Quick-fire food advice: snacks that actually work, busting common myths, and the one thing teens should do before bed

● How to handle self-care, believe in yourself, and deal with life’s pressures without losing perspective

● What she’d tell her teenage self - and whether Ben can actually figure out what a biochemist does! 

Dr Libby’s story shows that even from a small town, curiosity and kindness can lead to a career that genuinely helps people. For teens listening, it’s proof that understanding yourself, your body, and your choices can set you up for a healthy, energized life.

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