1.   Too much exposure to the sun can cause the premature aging of skin.

2.   A. Excessive loss of granules from a relatively new roof is a serious problem because it will result in premature aging and deterioration of the shingles.

3.   Although all skin loses its elasticity with age, the premature aging we see in hands and faces is largely due to the effects of sunlight.

4.   But Dr. Gilchrest said that studies have yet to show that L-ascorbic acid prevents skin cancer, or even wrinkling and signs of premature aging.

5.   But it is showing signs of premature aging.

6.   But UVA rays do damage the skin and underlying tissues, ultimately resulting in heavy wrinkles and premature aging.

7.   Dermatologists say the best way to protect skin and prevent premature aging is to avoid going out into the sun without wearing sunscreen.

8.   Further study of cloned animals reveals there may be problems with premature aging, as well as vulnerability to illnesses not detected at birth.

9.   Her hair is actually gray now, from all the premature aging that her eating disorders have caused.

10.   His son was found to have progeria, a rare disease that causes premature aging.