[Quiz] Test yourself: Is your skin safe?

One in five U.S. residents will develop skin cancer by the age of 70. But by following a few simple steps, you can greatly reduce your risk of skin cancer. Get the facts in this quick quiz by dermatologist Adam Sutton, MD, MBA.
 

You don’t need to wear sunscreen if it’s cloudy.
Applying sunscreen once a day is enough.
You should wear sunscreen in the car.
The higher your altitude, the more exposed you are to the sun.
It’s best to apply sunscreen the minute you get in the sun.
The sun is most intense between 10 a.m. and 4 p.m.
Having a base tan prevents sunburn.
One to two ounces (the size of a ping pong ball) is the right amount of sunscreen.