weaker, ridged nails. Since metabolism and nutrient absorption may diminish with age, deficiencies become more likely after 40.
Health Conditions
In some cases, vertical ridges may imply health issues such as poor circulation, thyroid imbalance, or even rheumatoid arthritis. If you spot other symptoms like fatigue, brittle hair, or changes in skin texture, it’s worth visiting a doctor.
When Should You Worry?
While vertical ridges are usually benign, you should draw attention if they come with:
Changes in nail color (especially dark lines or streaks)
Nail splitting, peeling, or