Question

Which of the following is the leading cause of cancer death for both men and women in North America?

1) Lung cancer
2) Breast cancer
3) Colorectal cancer
4) Prostate cancer

Answer 1

The leading cause of cancer death for both men and women in North America is lung cancer, primarily due to late diagnosis and its association with tobacco smoke exposure.

Step-by-step explanation:

The leading cause of cancer death for both men and women in North America is lung cancer. Lung cancer accounts for approximately 31% of all cancer deaths in males and 27% in females, which is higher than other cancers like breast, colorectal, and prostate cancer. The high mortality rate can be attributed to lung cancer often being diagnosed at a later stage, which makes it more difficult to treat. The predominant cause of lung cancer is exposure to tobacco smoke, with smoking being responsible for about 90% of lung cancer fatalities. Other risk factors include secondhand smoke, exposure to certain toxins, and genetic predispositions.