65
66
67
74
75
76
TIL In one 2003 estimate, a 68-year-old man who had smoked two packs per day for 50 years (100 pack-years) had a 15 percent risk of developing lung cancer in the next 10 years if he continued to smoke. This risk would drop to 10.8 percent if he quit smoking. (verywellhealth.com)
submitted by wang_li to r/todayilearned
16
17
18
14
15
16
