addiction (n)
/əˈdɪk.ʃən/

a strong need that someone feels to regularly take an illegal or harmful drug

drug (n)
/drʌɡ/

an illegal substance that affects someone physically or mentally when they take it

allergy (n)
/ˈæl.ə.dʒi/

a medical condition in which you become sick or your skin becomes covered with red marks as a reaction to something you eat, breathe, or touch

treat (v)
/triːt/

to use medicine or medical methods to cure a patient or an illness

trigger (v)
/ˈtrɪɡ.ər/

to make something happen

dehydration (n)
/ˌdiː.haiˈdrei.ʃən/

a dangerous lack of water in the body resulting from not drinking enough or by sweating, vomiting, or having diarrhoea

avoid (v)
/əˈvɔɪd/

to try to prevent something from happening

disease (n)
/dɪˈziːz/

an illness affecting humans, animals, or plants, often caused by infection

transmit (v)
/trænzˈmɪt/

to spread a disease from one person to another

diagnose (v)
/ˈdaɪ.əɡ.nəʊz/

to recognize and name the exact character of a disease or a problem, by examining it

infection (n)
/ɪnˈfek.ʃən/

a disease in a part of your body that is caused by bacteria or a virus

bacterial (a)
/bækˈtɪə.ri.əl/

caused by, made from, or relating to bacteria

stroke (n)
/strəʊk/

a sudden serious illness when a blood vessel (= tube) in the brain bursts or is blocked, which can cause death or the loss of the ability to move or to speak clearly

administer (v)
/ədˈmɪn.ɪ.stər/

to give someone a drug or medical treatment

examine (v)
/ɪɡˈzæm.ɪn/

if a doctor examines you, they look carefully at your body to check if you are healthy

vaccinate (v)
/ˈvæk.sɪ.neɪt/

to give someone a vaccine, usually by injection, to prevent them from getting a disease

cancer (n)
/ˈkæn.sər/

a serious disease that is caused when cells in the body grow in a way that is uncontrolled and not normal, killing normal cells and often causing death

suffer (v)
/ˈsʌf.ər/

to experience physical or mental pain

donor (n)
/ˈdəʊ.nər/

person who gives some of their blood or a part of their body to help someone who is ill

tobacco (n)
/təˈbæk.əʊ/

a substance that people smoke in cigarettes, pipes etc