Stars including Constance Wu and Demi Lovato are among those who have made it a point to share with others

At a time when mental health problems are at an all-time high in the United States, celebrities are using their platform to help break the stigma surrounding the issue. Demi Lovato and Constance Wu are among those who have spoken out in recent months about challenges they've faced in the past, and what they hope to achieve by being vocal about some of their more difficult times.

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