obesity – n. being overweight or fat
opioid – n. a drug (such as morphine or codeine) that is made from (or related to) opium and that is used to reduce pain or cause sleep
role – n. an activity or part performed as part of an operation or process
determine – v. to be the cause of or reason for (something)
diversity – n. the condition of being made up of different parts or groups
projection – n. an estimate of what might happen in the future based on what is happening now