I've been wondering if drinking a lot of tea and coffee can actually cause grey hair. I recently read that caffeine might be bad for your hair and could even lead to it turning grey. Is there any truth to this?

Dr Dr Khaleel Ur Rahim

General Practitioner

• MBBS
• 1+ Yrs

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Let's dive into the relationship between tea, coffee, caffeine, and gray hair. Caffeine and Hair Health Caffeine is a stimulant found in tea, coffee, and some medications. While moderate caffeine consumption is generally safe, excessive intake may negatively impact hair health. Potential Effects of Caffeine on Hair 1. Hormonal Imbalance: Caffeine can disrupt hormonal balances, particularly affecting the thyroid gland. Hormonal changes can contribute to hair graying, thinning, or loss. 2. Stress and Adrenaline: Caffeine stimulates the production of adrenaline, which can increase stress levels. Prolonged stress may lead to an increase in free radicals, potentially damaging hair follicles and contributing to graying. 3. Sleep Disturbances: Consuming caffeine in large amounts or too close to bedtime can disrupt sleep patterns. Poor sleep quality and duration can affect hair growth and potentially lead to graying. 4. Nutrient Deficiencies: Excessive caffeine consumption may lead to an imbalance of essential nutrients, including vitamins and minerals. These deficiencies can impact hair health, potentially causing graying or other issues.

Answered 18 days ago