In the past few years, a lot of celebrities have spoken publicly about mental health and mental illness. Superstar athletes Naomi Osaka and Simone Biles have opened up about their own struggles, and so have pop stars such as Selena Gomez and Justin Bieber. Clearly mental health is an important topic, but do you know what it means? CBC Kids News contributor Ainara Alleyne breaks it down and helps us understand the difference between stress and anxiety or sadness and depression.

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