Background: Making these healthy lifestyle choices can also help prevent some types of cancer. In addition, you can lower the risk of cancer by avoiding carcinogens , which are substances that cause cancer. For example, you can reduce your risk of lung cancer by not smoking. You can reduce your risk of skin cancer by using sunscreen. How to choose a sunscreen that offers the most protection is explained below ( Figure below ). Some people think that tanning beds are a safe way to get a tan. This is a myth. Tanning beds expose the skin to UV radiation. Any exposure to UV radiation increases the risk of skin cancer. It doesn’t matter whether the radiation comes from tanning lamps or the sun.

Situation: Justin and Robert are brothers who recently went to the doctor for their yearly physical. They wanted to know if they had any future health risks. The doctor asked them about their health habits. Justin told the doctor that he has smoked regularly for a long time, while Robert mentioned that he has never smoked.

Question: Who has a higher risk of getting lung cancer?
Answer: Justin

Situation: Justin and Robert are brothers who recently went to the doctor for their yearly physical. They wanted to know if they had any future health risks. The doctor asked them about their health habits. Justin told the doctor that he has smoked regularly for a long time, while Robert mentioned that he has never smoked.

Question: Who has a lower risk of getting lung cancer?
Answer: Robert

Situation: Justin and Robert are brothers who both work in construction in the summers. Due to their work, they both often spend a lot of time outside with the sun shining down on them for several hours a day for a few months at a time. Justin always makes sure to apply sunscreen frequently when he works, while Robert never applies sunscreen.

Question: Who has a higher risk of getting skin cancer?
Answer: Robert

Situation: Justin and Robert are brothers who both work in construction in the summers. Due to their work, they both often spend a lot of time outside with the sun shining down on them for several hours a day for a few months at a time. Justin always makes sure to apply sunscreen frequently when he works, while Robert never applies sunscreen.

Question: Who has a lower risk of getting skin cancer?
Answer: Justin

Situation: Michael and David are two bodybuilders currently getting ready for a competition. A key part of a bodybuilding competition is having darker skin so your muscles will stand out more. To achieve this look, Michael decides to use a tanning bed for several weeks just before the competition. David, on the other hand, decides to avoid tanning beds entirely and rubs lotion on his skin to achieve the same look instead.

Question: Who will be exposed to more UV radiation, Michael or David?
Answer: Michael

Situation: Michael and David are two bodybuilders currently getting ready for a competition. A key part of a bodybuilding competition is having darker skin so your muscles will stand out more. To achieve this look, Michael decides to use a tanning bed for several weeks just before the competition. David, on the other hand, decides to avoid tanning beds entirely and rubs lotion on his skin to achieve the same look instead.

Question: Who will be exposed to less UV radiation, Michael or David?
Answer: David

Situation: Michael and David are two bodybuilders currently getting ready for a competition. A key part of a bodybuilding competition is having darker skin so your muscles will stand out more. To achieve this look, Michael decides to use a tanning bed for several weeks just before the competition. David, on the other hand, decides to avoid tanning beds entirely and rubs lotion on his skin to achieve the same look instead.

Question: Who will have a higher risk of developing skin cancer, Michael or David?
Answer: Michael

Situation: Michael and David are two bodybuilders currently getting ready for a competition. A key part of a bodybuilding competition is having darker skin so your muscles will stand out more. To achieve this look, Michael decides to use a tanning bed for several weeks just before the competition. David, on the other hand, decides to avoid tanning beds entirely and rubs lotion on his skin to achieve the same look instead.

Question: Who will have a lower risk of developing skin cancer, Michael or David?
Answer: David