| 1 | Smoking and exposure to the sun are what ages skin the most. | |
| 2 | One by one the horses died of exposure . | |
| 3 | Dermatologists opine that as much as 90 percent of aging is caused by sun exposure. | |
| 4 | In the direction, it says you have to rub in this sunscreen 20 minutes before sun exposure. | |
| 5 | In 1989, white T-shirts that turned to a blue print on exposure to sunlight were introduced. |