What are the methods to prevent gray hair?

There are various methods to prevent gray hair, and prevention can start from multiple aspects. Maintain a balanced diet by consuming more foods rich in protein, vitamin B12, copper, iodine, and other nutrients, such as meat, eggs, milk, black sesame seeds, black beans, carrots, and spinach, to ensure adequate nutrition for your hair. Pay attention to hair care by avoiding wearing tight hairstyles for extended periods, and regularly massage your scalp to promote blood circulation and support healthy hair growth. Additionally, good lifestyle habits are essential for preventing gray hair, including getting sufficient sleep, engaging in moderate exercise, and avoiding excessive fatigue and stress. Moreover, quitting smoking, limiting alcohol consumption, and reducing intake of caffeine and alcohol can also help delay the appearance of gray hair. By combining proper dietary regulation, hair care, and healthy lifestyle habits, the occurrence of gray hair can be effectively prevented.