Why should you remove jewelry before you work with food?

Which of these gives the best indication that a health service is based on pseudoscience?

Lori didn't want to learn the piano and thought her mom was wasting money on lessons. lori didn't like practicing and saw no future purpose for learning the piano since she wasn't going to grow up to be a pianist. what is lori expressing?

If human development really does proceed continuously, what value does stage theories of development have?