Task 2 · Lexical Resource

IELTS Health and Medicine Vocabulary — Words and Phrases for Band 7+

Health and medicine is one of the most reliable IELTS Task 2 topics, appearing in questions about lifestyle choices, government healthcare funding, mental wellbeing and global disease. Using precise, well-collocated vocabulary is the fastest route to a higher Lexical Resource band. This page gives you 60+ targeted words, collocations and model sentences drawn from real Task 2 themes.

What you will learn

  • -60+ health words across four themes with register labels
  • -10 natural collocations that distinguish Band 7 from Band 6 writing
  • -Examiner-style example sentences for every word and phrase

Group 1: Health Conditions and Public Health

Use these terms when discussing disease trends, public health challenges and the scale of health problems facing modern societies.

Word / Phrase Register Example in IELTS Writing
chronic disease formal academic Chronic disease now accounts for the majority of healthcare expenditure in most developed nations.
non-communicable disease formal/technical The global rise of non-communicable diseases such as heart disease and type 2 diabetes is closely linked to changing lifestyles.
sedentary lifestyle neutral A sedentary lifestyle, driven by desk-based work and excessive screen time, is a leading cause of preventable illness.
obesity epidemic neutral Governments across the world have struggled to devise effective policies to combat the obesity epidemic.
mental health disorder formal academic Mental health disorders are now among the leading causes of disability globally, yet funding for treatment remains inadequate.
cardiovascular disease formal/technical Cardiovascular disease remains the world's leading cause of death, with poor diet and physical inactivity cited as primary risk factors.
type 2 diabetes neutral The dramatic increase in type 2 diabetes diagnoses in younger age groups has alarmed public health officials worldwide.
cancer prevention neutral Investment in cancer prevention through public awareness campaigns is considerably more cost-effective than treating advanced disease.
infectious disease neutral Despite advances in medicine, infectious disease continues to pose a significant threat, particularly in densely populated urban areas.
preventive medicine formal academic A greater emphasis on preventive medicine, including routine screening and vaccination, could substantially reduce long-term healthcare costs.
public health crisis neutral Rising rates of childhood obesity represent a public health crisis that demands coordinated government action.
healthcare burden formal academic Preventable illnesses linked to poor lifestyle choices place an enormous healthcare burden on publicly funded systems.
disease surveillance formal/technical Effective disease surveillance systems are essential for detecting and containing outbreaks before they become pandemics.
immunisation formal academic Mass immunisation programmes have eradicated diseases that once caused widespread suffering and death.
pandemic preparedness formal academic The events of recent years have demonstrated that adequate pandemic preparedness is not a luxury but a necessity for all governments.

Group 2: Healthcare Systems

These terms are essential for questions comparing public and private healthcare, discussing government spending, or arguing about access and fairness.

Word / Phrase Register Example in IELTS Writing
universal healthcare neutral Proponents of universal healthcare argue that access to medical treatment should not depend on an individual's ability to pay.
national health service neutral A national health service funded through general taxation remains the model most closely associated with equitable healthcare provision.
private healthcare neutral Critics argue that the expansion of private healthcare creates a two-tier system in which quality treatment is available only to the wealthy.
out-of-pocket expenses neutral High out-of-pocket expenses deter many people from seeking medical care until their condition has become serious.
health insurance neutral In countries without a public health system, the absence of health insurance can have catastrophic financial consequences for families.
healthcare funding neutral Debates about healthcare funding often centre on whether governments should increase tax revenues or introduce user fees.
telemedicine neutral The rapid growth of telemedicine has made consultations more accessible, particularly for patients in remote or underserved regions.
primary care formal academic Strengthening primary care is widely regarded as the most effective way to reduce pressure on hospital emergency departments.
secondary care formal academic Secondary care services — including specialist consultations and surgical procedures — are increasingly strained in many countries.
hospital capacity neutral Insufficient hospital capacity means that patients may wait months for procedures that could have prevented further deterioration.
healthcare access neutral Inequalities in healthcare access between urban and rural communities remain a persistent challenge in both developed and developing countries.
rural health neutral Rural health outcomes are consistently worse than urban ones, largely because of limited access to specialists and diagnostic equipment.
waiting lists neutral Long waiting lists for non-urgent surgery are among the most common complaints about publicly funded healthcare systems.
healthcare inequality formal academic Healthcare inequality is shaped not only by income but by education, geography, gender and ethnicity.
medical tourism neutral The growth of medical tourism — travelling abroad for cheaper or faster treatment — reflects widespread dissatisfaction with domestic healthcare provision.

Group 3: Lifestyle and Wellbeing

These terms allow you to discuss personal choices, social behaviours and the factors that determine individual and population health outcomes.

Word / Phrase Register Example in IELTS Writing
balanced diet neutral Health authorities consistently recommend a balanced diet rich in fruit, vegetables and whole grains as a foundation of good health.
physical activity neutral Regular physical activity is one of the most powerful preventive measures against a wide range of chronic conditions.
sedentary behaviour formal academic Sedentary behaviour — defined as prolonged periods of physical inactivity — has been independently linked to increased mortality risk.
stress management neutral Effective stress management techniques, including mindfulness and regular exercise, can significantly reduce the risk of burnout.
work-life balance neutral Poor work-life balance has been identified as a major contributor to rising rates of anxiety and depression in professional workers.
mental wellbeing neutral Governments are increasingly recognising that mental wellbeing is as important as physical health to a productive society.
sleep deprivation neutral Chronic sleep deprivation impairs cognitive function, weakens the immune system and significantly increases the risk of accidents.
substance abuse formal academic Substance abuse is frequently linked to underlying mental health conditions, suggesting that treatment must address both issues simultaneously.
alcohol consumption neutral Excessive alcohol consumption remains a significant driver of preventable hospital admissions in many Western countries.
tobacco addiction neutral Despite decades of public health campaigns, tobacco addiction continues to be responsible for millions of premature deaths each year.
health literacy formal academic Low health literacy makes it difficult for individuals to understand medical advice, navigate healthcare systems or make informed lifestyle choices.
preventive care neutral Investing in preventive care — regular screenings, vaccinations and health education — delivers far greater value than treating advanced illness.
health promotion formal academic Health promotion campaigns targeting dietary habits and physical activity have had measurable success in reducing obesity rates in some countries.
holistic health neutral A holistic health approach recognises that physical wellbeing, mental health and social connection are inseparable aspects of a healthy life.
social determinants of health formal/technical The social determinants of health — including income, education, housing and employment — shape health outcomes far more powerfully than individual behaviour alone.

Group 4: Argument Language for Health Essays

These phrases allow you to construct and develop health-related arguments with the precision and formality that Band 7+ requires.

Word / Phrase Register Example in IELTS Writing
pose a risk to public health formal academic The widespread consumption of ultra-processed foods poses a significant risk to public health that governments can no longer ignore.
place a strain on healthcare systems formal academic An ageing population will inevitably place a considerable strain on healthcare systems that were not designed to manage such a scale of chronic illness.
adopt a healthy lifestyle neutral Individuals who adopt a healthy lifestyle from an early age are substantially less likely to develop preventable chronic conditions in later life.
combat the rise of neutral Coordinated policy action is required to combat the rise of obesity, which has now reached epidemic proportions in many countries.
raise health awareness neutral Public information campaigns designed to raise health awareness have proven effective in encouraging uptake of screening programmes.
invest in preventive care neutral Governments that invest in preventive care consistently achieve better population health outcomes at lower long-term cost than those focused on treatment alone.
tackle the root causes of neutral Effective public health policy must tackle the root causes of poor health — including poverty, poor housing and limited education — rather than merely treating their symptoms.
be at risk of developing neutral Children who are overweight before the age of ten are significantly more likely to be at risk of developing type 2 diabetes in adulthood.
bear the cost of formal academic The question of who should bear the cost of treating lifestyle-related illness — the individual or the state — remains deeply contested.
lead to long-term complications neutral Left untreated, conditions such as hypertension and elevated blood sugar can lead to long-term complications including kidney failure and vision loss.
a growing public health concern formal academic Mental health among university students has become a growing public health concern, with reported rates of anxiety and depression rising sharply in recent years.
have a detrimental impact on formal academic Prolonged exposure to air pollution has been shown to have a detrimental impact on respiratory health, particularly in children and the elderly.
the healthcare burden formal academic Addressing the healthcare burden associated with alcohol-related illness requires both educational campaigns and regulatory measures.
address health disparities formal academic Policy reforms that address health disparities between income groups are essential for building a more equitable and productive society.
promote healthy behaviours neutral Schools are well-placed to promote healthy behaviours at an early age, before unhealthy habits become ingrained.

Key Collocations for Health Essays

These natural word partnerships appear frequently in Band 7+ writing and signal to the examiner that you have an authentic command of the language.

Collocation Meaning / Usage
combat obesity To take active steps to reduce obesity rates — used with government policy arguments. 'Fight obesity' is weaker; 'combat' is the natural formal choice.
promote mental wellbeing To actively encourage good mental health through policy or individual behaviour — increasingly common in IELTS essays on stress and modern life.
tackle sedentary lifestyles To address the problem of physical inactivity in modern populations — often used in essays on technology, work and urban living.
reduce healthcare costs To lower the overall financial burden of medical treatment — central to arguments favouring prevention over cure.
invest in preventive medicine To direct resources towards stopping illness before it occurs, rather than treating disease after the fact.
address health inequalities To take policy action to reduce the gap in health outcomes between different social, economic or geographic groups.
place a burden on the NHS To increase demand on a public health service beyond its designed capacity — use this phrase with caution: only cite the NHS as an example if the essay allows specific illustration.
raise public health awareness To increase the general population's understanding of a health risk or healthy behaviour through campaigns or education.
improve access to healthcare To make medical services more available to people who are currently excluded by cost, geography or other barriers.
adopt healthier habits To begin and sustain behaviours that improve long-term health outcomes — useful in essays discussing individual versus government responsibility.

Download the complete IELTS Health and Medicine Vocabulary PDF

All words, collocations and example sentences from this page in a free printable A4 PDF.

Frequently asked questions

What health vocabulary is most common in IELTS Task 2?+

The three most frequently tested health themes are lifestyle and preventable disease (obesity, sedentary behaviour, diet), healthcare systems and funding (universal versus private models, waiting lists, costs), and mental health (stress, work-life balance, wellbeing). Mastering vocabulary across all three areas ensures you can respond fluently regardless of which angle the question takes.

How do I write about healthcare without specialist medical knowledge?+

IELTS health questions test your ability to argue, not your medical expertise. Focus on access, cost, lifestyle choices and government responsibility rather than clinical details. Phrases like 'place a strain on healthcare systems', 'invest in preventive care' and 'address health disparities' allow you to write with precision and authority without requiring any specialist training.

Is mental health a common IELTS Task 2 topic?+

Mental health has become an increasingly frequent topic in recent IELTS exams, reflecting its prominence in public debate. You are expected to discuss it accurately but not clinically. Suitable language includes 'mental wellbeing', 'mental health disorders', 'stress management' and 'work-life balance'. Avoid informal or stigmatising language such as 'crazy' or 'breakdown'.

Can I write about my own country's healthcare system in a Task 2 essay?+

Yes, and doing so often strengthens your Task Response score. Referencing a specific national example — such as a publicly funded system or a country with high rates of a particular condition — grounds your argument in concrete reality. Examiners view specific, relevant examples as evidence of clear thinking, provided the example is accurate and genuinely supports your point.

What is the difference between 'healthy' and 'healthful'?+

Both words mean conducive to good health, but 'healthful' is considerably more formal and relatively rare in everyday English. In IELTS essays, 'healthy' is the natural and appropriate choice in almost every context — 'a healthy diet', 'healthy behaviours', 'healthy habits'. Reserve 'healthful' only if you are certain it fits naturally; otherwise it reads as forced register, which can lower your Lexical Resource score.

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