Paris - 01.07.2026: On platforms like TikTok and Instagram, videos that single out cortisol as the main culprit for stress, weight gain, or acne and promise quick remedies are booming. This fuels a market in which powders, drops and supplement mixes are marketed as "cortisol reducers" — often with sweeping health claims and impressive before-and-after stories. Experts note: Cortisol is a vital stress hormone that fluctuates throughout the day and…
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