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Smokers are at increased risk of multiple strokes.

A Chinese study found that smokers had a higher risk of stroke than non-smokers.

A woman holds a cigarette in Leipzig, Germany.

A woman holds a cigarette in Leipzig, Germany.
(Oliver Helvig / Getty Images)

Smoking is associated with increased cardiovascular risk and serious cardiac events such as heart attack and stroke. However, the new study reveals how smoking affects the risk of a second stroke in patients who already have smokers.

Of the 3,069 stroke survivors participating in the study, 1,475 (48%) were current smokers and 9% were former smokers.

908 (62%) of the current smokers were discharged within a few months after stroke.

As expected, smokers were more at risk for stroke than those who quit after the first stroke. However, smokers who quit after the first stroke had a 29% lower risk of stroke among tobacco users.

"After stroke, smoking has the same effect as before the first stroke," said Allan Hackshaw, a researcher at the University College of London, UK.

Hackshaw explains that "there can be problems with cerebral blood flow, blood vessels can form blood clots, and the probability of causing a stroke is increased." "Cutting will reduce the risk a little, but the study shows that completely reducing the risk of a second stroke is completely aborted."

All patients who participated in the study survived at least 3 months after stroke.

As the number of smokers increases, the risk of recurrence of smokers increases.

Smokers who smoke 20 cigarettes a day compared to nonsmokers were 68% more likely to develop a recurrent stroke, and smokers more than 40 cigarettes per day nearly tripled their risk.

Current smokers tend to be younger and less likely to develop conditions such as hypertension, heart rhythm disorder or coronary heart disease than nonsmokers. They are also more likely to have more drinkers than non-smokers.

This study was not a controlled experiment designed to prove that smoking causes repeated strokes.

One limitation of this study is that smokers have the potential to reduce the risk of epilepsy through other lifestyle changes such as eating habits and improving exercise habits, Dr. Gelin Xu and colleagues at Nanjing University in Jiangsu, China pointed out. American Heart Association Journal. Xu has not responded to your request for comment.

Nonetheless, the results show that there is much evidence linking smoking cessation to reduced risk of stroke, according to Dr. Michael Hill of Cumming Medical College in Canadian Calgary, .

"Smoking is about the worst possible thing you can do for your health," said Hill, who did not participate in the study. "Yes, it helps a lot to quit, but it's hard because it's addictive."

Source: Reuters

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