19. Swollen gums or bleeding gums
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![Swollen gums or bleeding gums](https://gamescomputerdownload.com/wp-content/uploads/2025/01/image-36.png)
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Gum problems can indicate poor oral hygiene, but they may also be a sign of vitamin C deficiency or even diabetes. Regular dental care and a balanced diet are essential to keep your gums healthy.
20. Hair thinning or loss
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![Hair thinning or loss](https://gamescomputerdownload.com/wp-content/uploads/2025/01/image-37.png)
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While some hair loss is natural, excessive shedding can signal stress, a lack of iron, hormonal changes, or even autoimmune conditions like alopecia.