Invisible illness is a term used to describe health issues that don't necessarily present visible symptoms. Invisible illnesses include fibromyalgia, arthritis, Lyme disease, Crohn's disease, diabetes, and kidney dysplasia. Invisible illnesses can be misunderstood, with some medical providers downplaying a person's symptoms. Others can think that the person is "not really sick" because they don't look sick on the outside. But a person with invisible illness is actually going through a lot. Modern Family actress Sarah Hyland is one of the many Americans living with an invisible illness, and recently reminded all of her fellow "invisible illness warriors" that they should love their bodies.

Hyland posted a paparazzi photo of herself in wearing leggings, a sports bra, and a sweater to Instagram. The photo, which exposes her midriff, used to "embarrass" the actress, but now she has a different mindset. "To my fellow #invisibleillness warriors. It's ok to be insecure about your body. Just remember to check in with yourself at least once a day and say thank you," she captioned her post.

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