Approximately what percentage of all lung cancer is linked to ...

[WhattoUnderstand]

Approximately what percentage of all lung cancer is linked to smoking?
 
  a. 50 to 55
  b. 70 to 75
  c. 85 to 90
  d. 100

Question 2

What is the number one cause of cancer-related death in the United States?
 
  a. Leukemia
  b. Lung cancer
  c. Breast cancer
  d. Brain cancer

[irishcancer18]

Answer to Question 1

ANS: C
Direct exposure to tobacco has occurred in 85 to 90 of individuals with lung cancer.

Answer to Question 2

ANS: B
Lung cancer is the number one cause of cancer-related death in men and women; it surpassed colon cancer in the early 1950s in men and breast cancer in the late 1980s in women. There are more deaths from lung cancer than breast, colon, and prostate cancer combined.

[WhattoUnderstand]

Excellent

[xthemafja]

Thanks for the timely response, appreciate it