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100 Essential Health Vocabulary Words for IELTS Success: Definitions and Example Sentences

Introduction

Health is a frequently discussed topic in the IELTS exam, appearing in Speaking, Writing, Reading, and even Listening sections. To respond effectively to health-related questions, candidates must demonstrate not only fluency but also a strong command of academic and topic-specific vocabulary.

This comprehensive guide presents 100 key health-related terms, each accompanied by clear definitions and example sentences. Whether you are preparing for IELTS Task 2 essays, Speaking Part 3 discussions, or simply looking to expand your lexical resource for broader academic use, this vocabulary list will help you communicate your ideas with precision and confidence.100 Vocabulary Words for the Topic: Health

  1. Wellness
    • Definition: The state of being in good health, especially as an actively pursued goal.
    • Example: Regular exercise and a balanced diet are key components of overall wellness.
  2. Mental health
    • Definition: The emotional, psychological, and social well-being that affects how we think, feel, and act.
    • Example: Seeking therapy is an important step in maintaining good mental health.
  3. Physical health
    • Definition: The condition of the body and its ability to perform daily tasks.
    • Example: Regular physical activity helps improve cardiovascular health and muscle strength.
  4. Chronic illness
    • Definition: A long-term health condition that may not go away, often requiring ongoing management.
    • Example: Diabetes is a common chronic illness that requires careful management of diet and lifestyle.
  5. Prevention
    • Definition: The action of stopping something from happening or arising, especially in relation to health.
    • Example: Vaccination is an effective form of disease prevention.
  6. Immunity
    • Definition: The body’s ability to resist or defend against infections and diseases.
    • Example: A strong immune system is essential for protecting against common illnesses like the flu.
  7. Symptoms
    • Definition: Signs or indications of a disease or condition.
    • Example: Common cold symptoms include a runny nose, sore throat, and cough.
  8. Diagnosis
    • Definition: The identification of a disease or condition based on symptoms, tests, and examination.
    • Example: The doctor gave a diagnosis of pneumonia after reviewing the patient’s chest X-ray.
  9. Treatment
    • Definition: The management and care of a patient for the purpose of combating a disease or condition.
    • Example: Chemotherapy is a common treatment for certain types of cancer.
  10. Recovery
    • Definition: The process of regaining health or strength after illness or injury.
    • Example: After surgery, she followed her doctor’s instructions for a smooth recovery.
  11. Healthcare
    • Definition: The maintenance and improvement of physical and mental health, typically through medical services.
    • Example: Access to affordable healthcare is a key issue in many countries.
  12. Medication
    • Definition: A substance used to treat or prevent illness or disease.
    • Example: The doctor prescribed medication to reduce the patient’s blood pressure.
  13. Surgery
    • Definition: A medical procedure that involves cutting into the body to repair or remove something.
    • Example: He underwent surgery to repair a torn ligament in his knee.
  14. Exercise
    • Definition: Physical activity that improves health and fitness.
    • Example: Regular exercise, like jogging or swimming, is vital for maintaining a healthy lifestyle.
  15. Diet
    • Definition: The kinds of food a person habitually eats.
    • Example: A balanced diet includes a variety of fruits, vegetables, and lean proteins.
  16. Nutrient
    • Definition: A substance that provides nourishment essential for the growth and maintenance of life.
    • Example: Vitamins and minerals are vital nutrients that support the body’s immune system.
  17. Obesity
    • Definition: A condition characterized by excessive body fat that may negatively affect health.
    • Example: Obesity increases the risk of developing heart disease and diabetes.
  18. Exercise regimen
    • Definition: A planned routine of physical activity or exercise.
    • Example: She follows a strict exercise regimen to maintain her fitness level.
  19. Hydration
    • Definition: The process of providing adequate fluids to the body to maintain health.
    • Example: Staying hydrated is crucial, especially during hot weather or intense physical activity.
  20. Cardiovascular health
    • Definition: The health of the heart and blood vessels, crucial for overall well-being.
    • Example: Cardiovascular health can be improved by regular exercise and a healthy diet.
  21. Sleep hygiene
    • Definition: Healthy habits that promote consistent and restful sleep.
    • Example: Maintaining good sleep hygiene, like avoiding caffeine before bed, can improve sleep quality.
  22. Stress management
    • Definition: Techniques used to cope with and reduce stress.
    • Example: Meditation and deep breathing exercises are effective stress management strategies.
  23. Blood pressure
    • Definition: The force of blood against the walls of the arteries as the heart pumps it around the body.
    • Example: High blood pressure is a common condition that increases the risk of heart disease.
  24. Allergy
    • Definition: An immune system response to a substance that is typically harmless.
    • Example: She developed an allergy to pollen, which caused sneezing and itchy eyes.
  25. Infection
    • Definition: The invasion and multiplication of harmful microorganisms in the body.
    • Example: Antibiotics are used to treat bacterial infections, but they are ineffective against viral ones.
  26. Vaccination
    • Definition: The process of introducing a vaccine into the body to provide immunity against a disease.
    • Example: Vaccination campaigns have helped reduce the spread of infectious diseases worldwide.
  27. Contagious
    • Definition: A disease that can be spread from one person to another.
    • Example: The flu is highly contagious, especially during the winter months.
  28. Quarantine
    • Definition: The practice of isolating individuals or groups to prevent the spread of disease.
    • Example: Travelers who show symptoms of illness may be placed in quarantine for observation.
  29. Health insurance
    • Definition: A policy that helps cover the cost of medical care.
    • Example: Having health insurance can significantly reduce the financial burden of medical treatments.
  30. Chronic disease
    • Definition: A long-lasting condition that can be controlled but not cured.
    • Example: Asthma is a chronic disease that requires ongoing management with medication.
  31. Mental illness
    • Definition: A range of conditions that affect a person’s mood, thinking, and behavior.
    • Example: Mental illness, such as depression, can have a significant impact on daily life if left untreated.
  32. Addiction
    • Definition: A compulsive need for and dependence on a substance or activity.
    • Example: Addiction to smoking is a major health concern due to its links to lung cancer.
  33. Physical therapy
    • Definition: Treatment to restore movement and strength after an injury or surgery.
    • Example: After her knee surgery, she underwent physical therapy to regain full mobility.
  34. Homeopathy
    • Definition: A system of alternative medicine based on the belief that the body can heal itself.
    • Example: Some people use homeopathy to treat conditions like anxiety and allergies.
  35. Herbal medicine
    • Definition: The use of plants and plant extracts to treat illness or promote health.
    • Example: Herbal medicine, such as ginger for nausea, has been used for centuries in various cultures.
  36. Holistic health
    • Definition: An approach to health that considers the whole person, including physical, mental, and spiritual aspects.
    • Example: Holistic health practices include meditation, acupuncture, and proper nutrition.
  37. Pharmaceutical
    • Definition: Relating to drugs or medicines, especially those prepared by pharmaceutical companies.
    • Example: Pharmaceutical companies research and develop new medications to treat a variety of health conditions.
  38. Surgical procedure
    • Definition: A medical operation to treat a condition, often involving cutting into the body.
    • Example: The surgeon performed a surgical procedure to remove the tumor from his liver.
  39. Health screening
    • Definition: Tests or examinations used to detect potential health issues before symptoms appear.
    • Example: Regular health screenings can help catch diseases like cancer early, increasing the chances of successful treatment.
  40. Epidemic
    • Definition: A sudden, widespread outbreak of a disease in a specific population or area.
    • Example: The flu epidemic affected thousands of people across the country last winter.
  41. Pandemic
    • Definition: An outbreak of a disease that spreads across countries or continents.
    • Example: The COVID-19 pandemic has caused global disruptions and prompted widespread health measures.
  42. Public health
    • Definition: The science of protecting and improving the health of people and communities.
    • Example: Public health campaigns have led to significant improvements in sanitation and disease prevention.
  43. Nutrition
    • Definition: The process of providing or obtaining the food necessary for health and growth.
    • Example: A healthy diet that provides adequate nutrition is essential for maintaining good health.
  44. Sleep disorder
    • Definition: A condition that affects a person’s ability to get restful, uninterrupted sleep.
    • Example: Sleep disorders, such as insomnia, can lead to fatigue and other health problems.
  45. Hygiene
    • Definition: The practice of maintaining cleanliness to promote health and prevent disease.
    • Example: Proper hand hygiene is essential in preventing the spread of germs.
  46. Toxicity
    • Definition: The degree to which a substance can harm living organisms.
    • Example: High levels of lead in drinking water can cause serious toxicity in the human body.
  47. Well-being
    • Definition: A state of being comfortable, healthy, or happy.
    • Example: Mental well-being is just as important as physical health for overall happiness.
  48. Dietary supplement
    • Definition: A product taken orally to provide nutrients that may not be consumed in sufficient quantities.
    • Example: Vitamin D supplements are commonly taken to support bone health.
  49. Detoxification
    • Definition: The process of removing toxic substances from the body, often through diet or fasting.
    • Example: Detoxification diets claim to cleanse the body of harmful substances, although their effectiveness is debated.
  50. Exercise tolerance
    • Definition: The ability of the body to withstand physical activity without adverse effects.
    • Example: Regular cardiovascular exercise improves your exercise tolerance over time.
  51. Rehabilitation
    • Definition: The process of recovering from injury or illness to regain lost functions.
    • Example: After the accident, he went through a rigorous rehabilitation program to restore mobility.
  52. Pain management
    • Definition: Techniques and treatments used to control or alleviate pain.
    • Example: Pain management strategies include medications, physical therapy, and psychological interventions.
  53. Immune system
    • Definition: The body’s defense system against harmful microorganisms and diseases.
    • Example: A strong immune system helps the body fight off infections like the flu.
  54. Microbe
    • Definition: A tiny organism, such as a bacterium, virus, or fungus, often responsible for disease.
    • Example: The spread of harmful microbes can lead to infections, but proper hygiene can reduce this risk.
  55. Blood sugar
    • Definition: The concentration of glucose in the blood, which is important for energy.
    • Example: Diabetes is often caused by issues with regulating blood sugar levels.
  56. Dehydration
    • Definition: A condition that occurs when the body loses more water than it takes in, leading to a lack of sufficient water.
    • Example: Dehydration can cause fatigue, headaches, and dizziness.
  57. Pediatrics
    • Definition: The branch of medicine that deals with the health and medical care of children.
    • Example: The pediatrician advised regular check-ups to monitor the child’s growth and development.
  58. Geriatrics
    • Definition: The branch of medicine that focuses on the health care of elderly people.
    • Example: Geriatrics addresses the unique medical needs of older adults, including chronic conditions and mobility issues.
  59. Physical examination
    • Definition: An assessment of the body by a healthcare provider to check for signs of disease.
    • Example: During a physical examination, the doctor checks vital signs such as heart rate, blood pressure, and temperature.
  60. Addiction treatment
    • Definition: A range of methods used to help individuals overcome dependence on substances like drugs or alcohol.
    • Example: Addiction treatment often involves counseling, medication, and support groups.
  61. Cardiologist
    • Definition: A doctor who specializes in the diagnosis and treatment of heart diseases.
    • Example: After his heart attack, he was referred to a cardiologist for ongoing care.
  62. Physician
    • Definition: A medical doctor who diagnoses and treats diseases and injuries.
    • Example: The physician recommended further tests to determine the cause of the symptoms.
  63. Chiropractic care
    • Definition: A type of healthcare focused on diagnosing and treating musculoskeletal disorders, particularly those of the spine.
    • Example: Many people seek chiropractic care to relieve back pain and improve posture.
  64. Nutritionist
    • Definition: A professional who advises on matters of food and nutrition for health and well-being.
    • Example: The nutritionist recommended a diet rich in whole foods to improve overall health.
  65. Cough syrup
    • Definition: A liquid medication used to relieve coughing and soothe the throat.
    • Example: Cough syrup can help alleviate symptoms of a cold or respiratory infection.
  66. Antibiotics
    • Definition: Medications used to treat bacterial infections by killing or inhibiting the growth of bacteria.
    • Example: The doctor prescribed antibiotics to treat the bacterial infection in his lungs.
  67. Self-care
    • Definition: The practice of taking care of one’s own health through preventive measures, rest, and healthy habits.
    • Example: Self-care activities such as meditation and taking time off work can reduce stress and improve mental health.
  68. Sedentary lifestyle
    • Definition: A way of life characterized by little or no physical activity.
    • Example: A sedentary lifestyle is a major risk factor for obesity and heart disease.
  69. Physical condition
    • Definition: The overall state of health and fitness of the body.
    • Example: Improving your physical condition through exercise can enhance both strength and endurance.
  70. Urgent care
    • Definition: Medical services provided for immediate but non-life-threatening conditions.
    • Example: He went to the urgent care clinic after injuring his ankle during a sports game.
  71. Elderly care
    • Definition: Services and support provided to older adults to help them maintain their health and independence.
    • Example: Elderly care includes both medical support and assistance with daily living activities.
  72. Prenatal care
    • Definition: Medical care provided to women during pregnancy to ensure the health of both the mother and baby.
    • Example: Prenatal care includes regular check-ups and tests to monitor the baby’s development.
  73. Postnatal care
    • Definition: Care provided to the mother and baby after childbirth.
    • Example: Postnatal care helps ensure that both the mother and baby are recovering well after delivery.
  74. Mental health counselor
    • Definition: A professional who provides support and therapy for individuals dealing with mental health issues.
    • Example: A mental health counselor helped her work through her anxiety and stress.
  75. Cognitive therapy
    • Definition: A form of therapy that helps individuals identify and change negative thought patterns to improve emotional well-being.
    • Example: Cognitive therapy is often used to treat conditions like depression and anxiety.
  76. Antidepressants
    • Definition: Medications used to treat depression by balancing chemicals in the brain.
    • Example: The doctor prescribed antidepressants to help manage her symptoms of depression.
  77. Vitamin deficiency
    • Definition: A lack of essential vitamins in the body, leading to various health issues.
    • Example: Vitamin D deficiency can result in weakened bones and immune system issues.
  78. Wellness check
    • Definition: A general health check-up, typically involving a series of tests and assessments.
    • Example: A wellness check-up can help detect potential health problems before they become serious.
  79. Physical fitness
    • Definition: The condition of being physically healthy and fit, often achieved through regular exercise.
    • Example: Physical fitness is important for maintaining overall health and energy levels.
  80. Health risk
    • Definition: A factor or behavior that increases the likelihood of developing a health condition.
    • Example: Smoking is a major health risk and can lead to lung cancer and heart disease.
  81. Diabetes management
    • Definition: The process of controlling and monitoring blood sugar levels in individuals with diabetes.
    • Example: Diabetes management includes regular monitoring of blood sugar and insulin use.
  82. Weight loss
    • Definition: The process of reducing body weight, typically through a combination of diet and exercise.
    • Example: Weight loss can be achieved by creating a calorie deficit through diet and increased physical activity.
  83. Mental well-being
    • Definition: A state of psychological health that encompasses emotional and mental stability.
    • Example: Mental well-being is supported by regular exercise, social interactions, and relaxation practices.
  84. Cholesterol
    • Definition: A substance found in the blood that can contribute to heart disease when levels are too high.
    • Example: Eating a healthy diet can help manage cholesterol levels and reduce the risk of heart disease.
  85. Nutrition label
    • Definition: A label on food products that provides information on its nutritional content.
    • Example: Reading the nutrition label can help you make informed decisions about your diet.
  86. Fertility
    • Definition: The ability to conceive and have children.
    • Example: Fertility treatments are available for couples who are struggling to conceive.
  87. Health advocate
    • Definition: A person who promotes or supports healthcare-related causes and policy changes.
    • Example: Health advocates work to improve access to healthcare for underserved communities.
  88. Inpatient care
    • Definition: Care provided to patients who stay overnight in a hospital or medical facility.
    • Example: Inpatient care is typically required for more serious health conditions or surgeries.
  89. Outpatient care
    • Definition: Medical treatment or procedures that do not require an overnight stay at a hospital.
    • Example: Outpatient care is often provided for routine check-ups and minor procedures.
  90. Gastric bypass
    • Definition: A type of weight-loss surgery that alters the stomach and intestines to limit food intake and absorption.
    • Example: Gastric bypass surgery is considered for individuals who are severely obese and cannot lose weight through other methods.
  91. Immunization
    • Definition: The process of making someone immune to a disease, often through vaccination.
    • Example: Immunization against diseases like measles is a standard part of childhood health programs.
  92. Inhaler
    • Definition: A device used to deliver medication to the lungs, especially for asthma or other respiratory conditions.
    • Example: She always carries an inhaler in case of an asthma attack.
  93. Physical activity
    • Definition: Any movement that engages the muscles and requires energy expenditure.
    • Example: Incorporating more physical activity, such as walking or biking, can significantly improve overall health.
  94. Lung disease
    • Definition: Any condition that affects the lungs and impairs normal respiratory function.
    • Example: Smoking is a leading cause of chronic lung disease, such as emphysema and chronic bronchitis.
  95. Healthy weight
    • Definition: A weight that is appropriate for an individual’s height and body type, typically determined by body mass index (BMI).
    • Example: Maintaining a healthy weight is important for preventing diseases such as diabetes and heart disease.
  96. Reproductive health
    • Definition: The health of the reproductive system, which includes sexual and reproductive well-being.
    • Example: Education on reproductive health is vital for young adults to make informed choices.
  97. Triage
    • Definition: The process of determining the priority of patients’ treatments based on the severity of their conditions.
    • Example: In a busy emergency room, triage helps ensure that the most critical patients receive immediate care.
  98. Oxygen therapy
    • Definition: A treatment that provides extra oxygen to individuals with respiratory issues.
    • Example: Oxygen therapy is often prescribed for patients with chronic obstructive pulmonary disease (COPD).
  99. Healthcare provider
    • Definition: A person or institution that offers medical services, including doctors, nurses, and hospitals.
    • Example: Your healthcare provider can recommend appropriate treatment for your medical condition.
  100. Alternative medicine
    – Definition: Medical treatments that are not part of standard medical practices, often involving herbal remedies, acupuncture, or massage.
    – Example: Some people turn to alternative medicine for conditions that do not respond well to conventional treatments.

Mastering health-related vocabulary is essential for success in IELTS and other academic English assessments. Whether you’re preparing for Speaking or Writing tasks, these terms help articulate ideas clearly and accurately on a wide range of health-related issues. With precise definitions and practical examples, this list not only expands your word bank but also enhances your ability to discuss critical topics such as public health, mental well-being, nutrition, and medical care with confidence and fluency. Continue reviewing these terms regularly and practice using them in context to strengthen your language proficiency.

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