
ZOE Science & Nutrition
Tired, anxious, gaining weight? It could be your hormones | Dr Helen O’Neill
New
5 Mar 2026 · 56 min
Metabolism & fasting
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About this episode
Hormones control almost every system in your body. They are like an orchestra playing, so when one instrument is a little off-key, it affects the whole system. If you feel tired, anxious, or are gaining weight, your hormones may be involved. In this episode, leading reproductive expert Dr Helen O’Neill explains how hormone health affects fertility, metabolism, and mental health for both men and women. The core question is simple: if hormones run your body, how much influence do you have over the