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
PEOPLE WITH asthma were In the last three months of the
more likely to