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electrode – n. a point through which electricity flows into or out of a battery or other device
addiction – n. the condition of growing dependent on something
pacemaker – n. a machine for activating or controlling the heartbeat
stimulate – v. to produce activity or greater activity
alcoholism – n. a medical condition in which someone drinks too much alcohol and becomes unable to live a normal and healthy life
opioid – n. opioids are a class of drugs that include opium, heroin, and synthetic drugs such as fentanyl
ethical – adj. involving questions of right and wrong behavior
drill – n. a tool used for making holes in hard substances
battery – n. a container with one or more cells in which chemical energy is made into electricity and used to make power
adjust – v. to change
