Exposure to extreme cold or dry conditions can strip moisture from your nails, making them brittle. Using a moisturizer and wearing gloves during colder months can provide protection.

4. Health Conditions

Thyroid Diseases

Both hyperthyroidism and hypothyroidism can cause brittle nails. If you suspect your thyroid might be the issue, a simple blood test can help diagnose these conditions, and appropriate treatment can be administered.

Psoriasis

This skin condition can extend to the nails, causing pitting, abnormal nail growth, and splitting. Treating the underlying psoriasis can often improve nail health.

Fungal Infections

Fungal infections can damage the nail bed and cause nails to become brittle and split. Antifungal treatments are effective in resolving these infections.

5. Physical Stress

Repeated physical trauma, like using your nails as tools, can cause immediate and long-term damage. Keeping nails trimmed and avoiding using them inappropriately can prevent splits and breaks.

6. Age-Related Changes

As you age, nails can become drier and more brittle. Incorporating more omega-3 fatty acids into your diet and moisturizing your nails can help combat these changes.

Your nails can be a window into your overall health. By addressing nutritional deficiencies, protecting against environmental harm, staying hydrated, and seeking treatment for any underlying health conditions, you can improve not only your nail health but also your general well-being.

If you’re concerned about persistent issues with your nails, it might be wise to consult with a healthcare provider or a dermatologist to explore deeper health insights and solutions.