VOA慢速英语:Fighting Obesity Is a Long-Term, Complex Problem

symposium – n. a formal meeting at which experts discuss a particular topic

endocrinology – n. a branch of medicine concerned with the structure, function and disorders of the endocrine glands

devastate – v. to destroy much or most of (something) : to cause great damage or harm to (something) ; devastating is the adjective.

under one umbrella – idiomatic expression to be in one place

appetite – n. a physical desire for food

habit – n. a usual way of behaving; something that a person does often in a regular and repeated way

intervene – v. to become involved in something (such as a conflict) in order to have an influence on what happens intervention is the noun