Dispelling Myths About Heart Disease

Misconceptions about cardiovascular diseases -- heartequally affected by heart attacks and stroke -- a fact
attacks, stroke and high blood pressure -- havethat has long been neglected by doctors and health
existed for many years and have in effect becomeprofessionals, and by women themselves. Furthermore,
myths. Most of them stem from factual observationspregnancy-associated hypertension is an important
during the early phase of the current global epidemichealth problem in the developing world, where it is the
and have become deeply rooted in the minds ofmajor cause of premature birth and perinatal death,
policymakers, health professionals and the public alike.and is also responsible for up to one-third of all
Since these misconceptions adversely influence thematernal deaths.
allocation of resources and undermine actions toMyth 4: Heart disease is a problem of old age
prevent and control cardiovascular diseases, theyAtherosclerotic cardiovascular diseases (coronary
need to be firmly squashed.heart disease and stroke) and hypertension increase
Myth 1: Heart disease is a problem of developedwith age. But research in industrialized countries shows
countriesthat about one-third of heart attacks and one-quarter
Every year, cardiovascular diseases cause around 15of strokes occur in people below the age of 65. Many
million deaths in the world (30% of all deaths), and ofof the deaths due to cardiovascular diseases also
these about two-thirds occur in developing countries.occur early, one-quarter of them below the age of 70.
So the absolute number of deaths from these causesIn the developing world, the situation is even more
is twice as high in developing countries as in themarked: up to half of all deaths attributable to heart
industrialized world. Over twice as many deaths fromdiseases occur in persons younger than 70; and a
stroke occur in developing countries as in industrializedgreat number of working-age adults suffer from these
countries; and the numbers of deaths due to heartdiseases. This has an enormous impact on the
attacks are equal in poor and rich countries. It iseconomic situation of individuals and families as well as
estimated that in China and India combined, whichon society as a whole, and hampers efforts to
account for half the population of the developing world,alleviate poverty.
between five and six million deaths are caused eachMyth 5: Heart disease is not susceptible to community
year by cardiovascular diseases.action
Myth 2: Heart disease is a problem of the richThe predominant factors contributing to the risk of
All societies include "early adopters" and "latecardiovascular diseases appear to be acquired, and to
adopters" of lifestyle changes. Early in the heartbe lifestyle-related rather than genetic. Risk factors
disease epidemic, affluent people in developingcan be modified within a "healthy environment" that
countries had the means and the opportunity to adoptsupports appropriate lifestyle practices, and most
new lifestyles, involving behaviour such as choosingcardiovascular diseases are preventable. The
foods rich in fat and calories, buying cars and usingprevention of heart diseases in individuals calls for the
tobacco. Since these goods have become affordableactive promotion of health in populations.
for mass consumption "unhealthy" behaviour of thisProgrammes that combine community mobilization with
kind has become common across all social classes.governmental regulation through taxation, legislation and
Today, affluent people, especially the urban rich, havepricing policies have proved to be effective in
better access to health information concerning riskcontrolling tobacco and encouraging healthier diets in
factors in the media and they also possess the meansnumerous industrialized countries. From these
to modify their behaviour in favour of a healthierexperiences, it is clear that community, national and
lifestyle (healthy diets, leisure-time physical activity,even global action are key elements in combating the
abstinence from tobacco). They constitute the "earlyadvancing epidemic of cardiovascular diseases in the
adopters", while the urban poor and rural communitiesdeveloping world. Community mobilization can best be
-- with limited access to information and little time orattained through educating the public, patients,
money for "healthy foods" and "fitness clubs" -- lagprofessionals and policymakers, based on the advice
behind. As a result, risky behaviour develops, and riskof health professionals.
factors increase.Myth 6: Heart disease is no longer a public health issue
Recent studies from Latin America and South-EastThere is a widespread mistaken belief that the total
Asia, where coronary heart disease is particularlyburden of cardiovascular diseases is diminishing.
common, indicate that many coronary risk factors areDespite declining mortality, heart disease remains the
more prevalent among those with lowerdominant public health problem in industrialized countries.
socioeconomic standing and that the poor are, indeed,Eastern European countries are at present
at higher risk of heart attacks.experiencing the highest mortality rates due to
In industrialized countries too, where the epidemiccardiovascular diseases. A major cause for concern is
began among the urban rich, though some decadesthe projected rise of these diseases in developing
earlier than in the developing world, cardiovascularcountries in the next century. It is predicted that by
diseases are now more common in the relatively poor.2020 the number of deaths due to heart attacks and
When the worldwide heart disease epidemic fullystroke in the developing world will have doubled as
develops, the poorest countries and the poorestcompared with 1990.
people within society will be the worst affected.The reasons for this anticipated acceleration of the
Myth 3: Heart disease is mostly a man's diseaseepidemic are increasing life expectancy related to a
While coronary heart disease is, in general, lessdecline in infant mortality, unhealthy lifestyle changes
common in pre-menopausal women than in men, inrelated to industrialization and urbanization, and longer
many parts of the world it is the most common causeperiods of exposure to the risk factors of heart
of death in women, even those aged under 65. Heartdisease because of improved socioeconomic
disease, as well as its risk factors, varies to aconditions.
surprising degree between populations. For example,The public health consequences of an uncontrolled
women aged 35-64 years in Glasgow, Scotland, and inepidemic of cardiovascular diseases in the developing
Belfast, Northern Ireland, have higher heart attack ratesworld would be disastrous. Not only would millions of
than men in some parts of southern Europe, accordingproductive years of life be lost, but the high costs of
to a recent WHO study on trends in cardiovasculartechnology-intensive management of these diseases
diseases (the WHO MONICA Project).would impose a heavy financial burden on affected
Hypertension and stroke are also major problems thatindividuals, their families and society as a whole. The
affect women. Given the longer life expectancy ofglobal epidemic needs a global response now, in the
women, they contribute increasingly to cardiovascularform of an international effort to create awareness
deaths and disability after the sixth decade. The resultand stimulate action in all countries and all sectors of
is that, over their entire lifespan, women and men aresociety.