Modifiable risk factors cause most strokes

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Modifiable risk factors cause most strokes
HYPERTENSION, current                  which data were collected from                           “Even if this apparent reduced risk
smoking, abdominal obesity, poor       3,000 people in 22 countries                             is not real, the finding suggests that
diet, and lack of regular physical     who had suffered a fi rst stroke                          risk rapidly reduces after stopping
activity account for more than         (78% ischemic; 22% intracerebral                         smoking, indicating that smoking
80% of the global risk of all stroke   hemorrhagic) and 3,000 controls                          cessation is an essential component
(both ischemic and intracerebral       (Lancet. 2010;376:112-123).                              for any stroke prevention [pro-
hemorrhagic). Adding poor ratio          The analysis revealed the                              gram],” explained the researchers.
of good-to-bad blood lipids, dia-      following:                                               They also noted a dose-response
betes, alcohol intake, stress and        • Hypertension was the most                            association for number of ciga-
depression, and heart disorders to     important risk factor for all stroke                     rettes smoked per day, especially
the list ups the population attrib-    subtypes but was particularly sig-                       for ischemic stroke.
utable risks (PARs) to 90%.            nificant in intracerebral hemor-        High BP was          • Fish and fruit intake was
  “Targeted interventions that         rhagic stroke and in people up to      the most          associated with the greatest diet-
reduce blood pressure and smok-        age 45 years.                          important         related reduction in stroke risk;
ing, and promote physical activity       • Stroke risk was associated         risk factor       vegetable intake did not appear
and a healthy diet, could sub-         much more strongly with waist-         for all stroke    to play a role.
stantially reduce the burden of        to-hip ratio than with BMI.            subtypes.            • Alcohol intake appears to be a
stroke,” affirm the investigators         • Former smoking was associ-                           greater contributor to intracere-
participating in the internation-      ated with a reduced risk of stroke                       bral hemorrhagic stroke than to
al INTERSTROKE study, in               compared with never smoking.                             ischemic stroke.



Provider interest helps asthma compliance
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