Prince William: Kate Middleton's hair is a 'nightmare'
Dazzle all night long: 15 (REALLY pretty) holiday party shoes
Layering 101: Get dressed for any weather
Lindsay Lohan continues her fashion comeback!
4 perfect holiday party smoky shadow ideas
Street style tip of the day: Flared jeans
1. Pale Nails
2. Yellowing or Thickening
3. Dark Lines
4. Pitting and Grooving
5. Brittle, Thin or Lifted Nails
6. White Lines
7. Blue Nails
While nothing replaces a visit to your physician for a proper diagnosis, checking your fingernails for the following abnormalities can help you spot early warning signs, so wipe off that polish and take a glance.
More from Shape:
15 New Chic Gym Bags For Every Occasion
What Desiree Hartsock Eats (Almost) Every Day
The Only 6 Beauty Brushes You Need
12 Healthy Brown-Bag Lunches
Photo Credit: Getty Images