Thyroid Diseases
Both overactive and underactive thyroid conditions can cause nail thinning and brittleness. A blood test is often enough to check thyroid levels, and proper treatment can restore both health and nail strength.
Psoriasis
This skin condition can also affect the nails, leading to pitting, discoloration, or unusual growth. Managing psoriasis with medical guidance often improves nail appearance over time.
Fungal Infections
When fungi invade the nail bed, nails may become thick, brittle, or discolored. These infections require antifungal treatments, which can restore nail health if addressed early.
Physical Stress and Nail Damage
Many people use their nails as tools without realizing the damage it causes. Opening packages, scraping surfaces, or frequently tapping nails can weaken their structure.
Over time, repeated trauma leads to cracks, peeling, or even permanent ridges. Keeping nails trimmed, avoiding rough handling, and treating them gently helps preserve their strength and natural shine.
Age-Related Nail Changes
Just like skin and hair, nails also change with age. Older adults often notice that nails become drier and more brittle, which is a natural part of aging.
Fortunately, lifestyle choices can slow down these changes. Including foods rich in omega-3 fatty acids, such as salmon, flaxseeds, and walnuts, supports nail hydration. Regularly moisturizing nails and cuticles can also reduce dryness and keep nails flexibl
