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IELTS Health Vocabulary

60 essential health and wellbeing words for IELTS. Health is a core topic in Writing Task 2 and Speaking Part 3. Master these words to discuss healthcare, nutrition, mental health, and lifestyle with precision.

Health Vocabulary in the IELTS Exam

  • Writing Task 2: Common questions ask about public health, obesity, government responsibility for healthcare, diet and exercise, and mental health awareness.
  • Speaking Part 1 & 3: You may discuss your own health habits, healthcare systems, or the impact of modern lifestyles on health.
  • Reading: Scientific passages about health research, nutrition studies, and medical breakthroughs are common.
  • Listening: Health-related topics appear in all sections, from doctor consultations to public health lectures.
# Word Part of Speech Definition Example Sentence
1DiagnosisnounThe identification of an illness or condition through examinationEarly diagnosis of cancer significantly improves survival rates.
2WellbeingnounThe state of being comfortable, healthy, and happySchools should promote student wellbeing alongside academic achievement.
3NutritionnounThe process of providing or obtaining food necessary for healthGood nutrition in childhood is essential for physical and cognitive development.
4ObesitynounThe condition of being grossly overweightChildhood obesity has reached alarming levels in many developed countries.
5LifestylenounThe way in which a person livesA sedentary lifestyle increases the risk of heart disease and diabetes.
6Pharmaceuticaladj. / nounRelating to the preparation and dispensing of medicinesThe pharmaceutical industry invests billions in drug research.
7Sedentaryadj.Involving much sitting and little physical activityOffice workers often lead sedentary lives, which can harm their health.
8TherapynounTreatment intended to relieve or heal a conditionCognitive behavioural therapy is effective for treating anxiety and depression.
9Chronicadj.Persisting for a long time; long-termChronic diseases such as diabetes require ongoing management.
10Acuteadj.Severe and sudden in onsetAcute respiratory infections are a leading cause of death in young children.
11SymptomnounA physical or mental sign of a disease or conditionPersistent headaches can be a symptom of stress or a more serious condition.
12TreatmentnounMedical care given to a patient for an illness or injuryAccess to affordable treatment is a basic human right.
13PreventionnounAction taken to stop something from happeningPrevention is more cost-effective than curing diseases after they develop.
14RehabilitationnounThe process of restoring someone to health after illness or injuryPhysiotherapy plays a key role in rehabilitation after surgery.
15FitnessnounThe condition of being physically healthy and strongRegular exercise is essential for maintaining physical fitness.
# Word Part of Speech Definition Example Sentence
16Mental healthnounA person’s psychological and emotional wellbeingAwareness of mental health issues has increased significantly in recent years.
17EpidemicnounA widespread occurrence of a disease in a communityThe obesity epidemic is one of the greatest public health challenges of our time.
18PandemicnounA disease outbreak that spreads across countries or continentsThe COVID-19 pandemic highlighted weaknesses in global health systems.
19Immune systemnounThe body’s defence mechanism against infection and diseaseA balanced diet helps strengthen the immune system.
20VaccinationnounTreatment with a vaccine to produce immunity against a diseaseVaccination programmes have eradicated smallpox and reduced polio.
21AntibioticsnounMedicines used to treat bacterial infectionsOveruse of antibiotics has led to the rise of drug-resistant bacteria.
22MalnutritionnounLack of proper nutrition caused by insufficient or unbalanced dietMalnutrition remains a leading cause of death among children in developing countries.
23Contagiousadj.Able to be spread from one person to another by contactMeasles is highly contagious and spreads rapidly in unvaccinated populations.
24PrevalencenounThe proportion of a population found to have a conditionThe prevalence of type 2 diabetes is rising in developed nations.
25PrognosisnounThe likely course or outcome of a medical conditionThe prognosis for patients with early-stage breast cancer is generally positive.
26Remedynoun / verbA treatment or medicine that cures a disease or relieves a conditionHerbal remedies are popular in many cultures as alternatives to modern medicine.
27SanitationnounConditions relating to public health, especially clean water and sewageImproved sanitation has dramatically reduced the spread of waterborne diseases.
28HygienenounPractices that maintain health and prevent diseaseHand hygiene is one of the most effective ways to prevent infection.
29AilmentnounA minor illness or physical complaintCommon ailments such as colds and headaches rarely require medical attention.
30Addictiveadj.Causing a strong and harmful need to regularly have or do somethingTobacco and alcohol are highly addictive substances.
# Word Part of Speech Definition Example Sentence
31CalorienounA unit of energy in foodConsuming more calories than you burn leads to weight gain.
32Cardiovascularadj.Relating to the heart and blood vesselsRegular aerobic exercise reduces the risk of cardiovascular disease.
33DeficiencynounA lack or shortage of a nutrient or substanceIron deficiency is the most common nutritional disorder worldwide.
34DeteriorateverbTo become progressively worseWithout proper care, a patient’s condition can deteriorate rapidly.
35DosagenounThe amount of medicine taken at one timePatients must follow the prescribed dosage to avoid side effects.
36FatiguenounExtreme tiredness resulting from physical or mental exertionChronic fatigue can be a symptom of an underlying health condition.
37Geneticadj.Relating to genes or hereditySome diseases have a genetic component and run in families.
38Holisticadj.Treating the whole person, not just the symptomsA holistic approach to healthcare considers diet, exercise, and mental health.
39Infectiousadj.Liable to be transmitted through the environmentInfectious diseases can spread rapidly in overcrowded living conditions.
40Life expectancynounThe average number of years a person is expected to liveLife expectancy has increased significantly thanks to advances in medicine.
41MetabolismnounThe chemical processes in the body that convert food into energyExercise boosts your metabolism and helps you burn more calories.
42Outpatientnoun / adj.A patient who receives treatment without being admitted to hospitalMany procedures are now performed on an outpatient basis.
43PathogennounA bacterium, virus, or organism that can cause diseaseVaccines train the immune system to recognise and fight specific pathogens.
44PrescribeverbTo authorise the use of medicine for a patientDoctors should only prescribe antibiotics when they are truly necessary.
45Relapsenoun / verbA return to a worse condition after a period of improvementPatients recovering from addiction are at risk of relapse.
# Word Part of Speech Definition Example Sentence
46ScreeningnounTesting for disease in people who have no symptomsRegular cancer screening can detect the disease at an early, treatable stage.
47Side effectnounAn unintended secondary effect of a drug or treatmentSome medications cause drowsiness as a side effect.
48StressnounMental or emotional tension caused by demanding circumstancesWorkplace stress is a growing concern in modern society.
49Supplementnoun / verbA product taken to add nutrients to the dietVitamin D supplements are recommended for people with limited sun exposure.
50Surgicaladj.Relating to or involving surgerySurgical procedures have become less invasive thanks to new technology.
51Transplantnoun / verbAn operation to move an organ from one person to anotherOrgan transplants save thousands of lives each year.
52Obesity ratenounThe proportion of a population that is obeseObesity rates have tripled worldwide since 1975.
53PhysiotherapynounTreatment of disease or injury through physical methods such as exercisePhysiotherapy is essential for recovery after a sports injury.
54ImmunisationnounThe process of making a person immune to a disease by vaccinationChildhood immunisation programmes have saved millions of lives globally.
55Inpatientnoun / adj.A patient who stays in hospital during treatmentInpatient care is more expensive than community-based treatment.
56Palliativeadj.Relieving symptoms without curing the underlying causePalliative care focuses on improving quality of life for terminally ill patients.
57DietitiannounA professional who advises on matters of food and nutritionA dietitian can create a personalised eating plan for patients with diabetes.
58Sedativenoun / adj.A drug that calms or induces sleepPatients may be given a mild sedative before a medical procedure.
59Psychosomaticadj.Relating to physical symptoms caused by mental or emotional factorsStress can cause psychosomatic symptoms such as headaches and stomach pain.
60RecuperateverbTo recover from illness or exertionPatients need time to recuperate after major surgery.

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