Research and Studies
Does stress cause grey hair? What the research shows
Research links stress with changes in hair pigment, but questions remain about who is affected and whether lost colour can return.
7 October 2026 · 5 min read
Women's Health Writer · Cardiff
Hannah Lloyd
Hannah writes about women's hair loss, from menopause and PCOS to postpartum shedding, with a calm and practical approach.
Hannah specialises in women's health, with a particular focus on hair thinning linked to menopause, pregnancy, PCOS and thyroid conditions. She previously worked on the health desk of a Welsh news website and as a features writer for women's lifestyle magazines. Hannah began writing about hair loss after experiencing postpartum shedding herself, and she knows how isolating it can feel. Her reporting aims to give women clear, reassuring information and the confidence to raise concerns with their GP. She lives in Cardiff with her partner, her daughter and a very loud cockapoo.
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