What is a 10 pack-year smoking history?

A pack-year is used to describe how many cigarettes you have smoked in your lifetime, with a pack equal to 20 cigarettes. If you have smoked a pack a day for the last 20 years, or two packs a day for the last 10 years, you have 20 pack-years.

How many pack years is a significant smoking history?

One pack-year is smoking 20 cigarettes a day for one year. If someone has smoked 10 cigarettes a day for 6 years they would have a 3 pack-year history. Someone who has smoked 40 cigarettes (2 packs) daily for 20 years has a 40 pack-year history.

What is a 20 pack-year smoking history?

A pack-year is a term used to describe the approximate number of cigarettes a person has smoked over time. 1 One pack-year equals 20 manufactured cigarettes smoked per day for one year.

How do you calculate pack year for smoking?

pack year A way to measure the amount a person has smoked over a long period of time. It is calculated by multiplying the number of packs of cigarettes smoked per day by the number of years the person has smoked. For example, 1 pack year is equal to smoking 1 pack per day for 1 year, or 2 packs per day for half a year, and so on.

How do you calculate smoking history?

Determine the number of total years the person has smoked. Multiply the number of packs per day by the number of years they’ve smoked. For example, if John Doe has smoked two packs per day for 30 years, his pack year history would be 60 pack years.

What is a pack year and how does it relate to me?

Pack Years are a Measure of Lifetime Exposure to Tobacco Toxins. Pack year is a term used to describe the number of cigarettes a person has smoked over time. One pack year equals 20 manufactured cigarettes smoked per day for one year. For the purposes of this calculation, one pack contains 20 cigarettes.

How many die from tobacco yearly?

The World Health Organization (WHO) estimates that each year tobacco causes about 6 million deaths (about 10% of all deaths) with 600,000 of these occurring in non smokers due to second hand smoke. In the 20th century tobacco is estimated to have caused 100 million deaths.