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Grey hair is often considered a natural sign of aging, but many people are now noticing strands turning grey much earlier in life. While genetics has long been blamed, growing research suggests that chronic stress may also play a role in premature greying.

So, can everyday stress really change your hair color? Here's what experts and research reveal.

Hair gets its natural color from melanin, a pigment produced by specialized cells known as melanocytes. According to research by the National Institutes of Health (NIH), prolonged stress may affect the stem cells responsible for producing these pigment-making cells.

When these stem cells become damaged or depleted, melanin production can decline, causing hair to lose its natural color and turn grey earlier than expected.

However, experts emphasize that stress is not the only cause of premature greying. The impact varies from person to person, and several other factors can also contribute.

Stress is only one piece of the puzzle. Premature greying can also be linked to:

• Family history and genetic factors

• Deficiency of vitamin B12, iron, copper, or folate

• Thyroid disorders

• Autoimmune diseases

• Smoking

• An unhealthy lifestyle and poor nutrition

If your hair starts greying rapidly at a young age, it's advisable to consult a doctor to identify the underlying cause instead of assuming stress is responsible.

While it's not always possible to prevent grey hair, healthy lifestyle habits may help support overall hair health.

• Eat a balanced diet rich in vitamins and minerals.

• Get enough sleep every night.

• Manage stress through yoga, meditation, or regular exercise.

• Avoid smoking.

• Limit the use of harsh chemical treatments and excessive heat styling.

• Maintain proper scalp and hair care.

If you notice sudden or excessive greying at a young age, especially when accompanied by hair loss, fatigue, or other health concerns, seek medical advice. A doctor may recommend tests to check for nutritional deficiencies or underlying medical conditions.

Stress may contribute to premature greying by affecting the cells responsible for hair pigmentation, but it is rarely the only reason. Genetics, nutritional deficiencies, medical conditions, and lifestyle choices all play an important role. Taking care of your physical and mental health can support healthier hair and help identify any underlying issues early.