Practice vocabulary from the news article "What Is the 'Placebo Effect'?."

English Vocabulary for Current Events - Placebo Effect

a strong recurring headache that often makes a person feel sick and have difficulty seeing

a liquid containing a small amount of a substance mixed into a large amount of another

to cause something to happen or someone to do something

a feeling of sickness in the stomach that often makes a person vomit

a medical condition in which a person finds it very difficult to sleep

praise that is not sincere but is given to help someone get something they want