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Common symptoms include: Withdrawal can also disrupt daily habits and routines

Cancer Cell 23 (3), 287301

In many chronic cases, more than one entity is the cause

But ExxonMobil spokesman Alan Jeffers told VICE News via e-mail, We reject long-discredited conspiracy theories that attempt to portray legitimate scientific observations and differences on policy approaches as climate denial

E N D Presentation Transcript Health risks of smoking Principal fatal diseases caused by smoking are cancer, COPD and CVD In addition, smoking is an important cause of morbidity Risks are dose and duration dependent On average, cigarette smokers lose 7.5 years of life Overall risk to smokers and never-smokers Never smoked 100 regularly 80 80 80 Current cigarette 59 smokers 60 % Alive 7.5 years 40 33 33 20 12 0 40 55 70 85 100 Age Doll et al BMJ 1994 Health benefits of smoking cessation Increased longevity Stabilisation of lung cancer risk (but not absolute decline) Heart disease risk declines towards non-smoker level over 10 years Accelerated decline in lung function reduced Improved reproductive health Improved recovery from surgery 20 mins: 8 hours: 24 hours: 48 hours: 72 hours: blood pressure and pulse rate return to normal blood nicotine & CO halved, oxygen back to normal CO eliminated

Typical symptoms include snoring and periods of apnea