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Smoking cigarettes can shave 10 years off of a woman’s life, a large new study shows.
But quitting before her 40th birthday (preferably well before it) avoids more than 90% of this increased risk of dying, and stopping before 30 avoids more than 97% of it. These are the main findings of the Million Women Study, which appears online in The Lancet.
The study included 1.2 million women aged 50 to 69. Participants answered questions about their lifestyle, including whether or not they smoked cigarettes.
They were asked these questions again three years later. During about 12 years of follow-up, 66,000 of these women died. When the study started: 20% of the women were smokers 28% were ex-smokers 52% had never smoked.
But quitting before her 40th birthday (preferably well before it) avoids more than 90% of this increased risk of dying, and stopping before 30 avoids more than 97% of it. These are the main findings of the Million Women Study, which appears online in The Lancet.
The study included 1.2 million women aged 50 to 69. Participants answered questions about their lifestyle, including whether or not they smoked cigarettes.
They were asked these questions again three years later. During about 12 years of follow-up, 66,000 of these women died. When the study started: 20% of the women were smokers 28% were ex-smokers 52% had never smoked.
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