If you’re a longtime Teen Mom 2 viewer, then you’re no doubt aware of the courageous struggle of Leah Messer’s daughter Ali.

Ali has been diagnosed with Titin muscular dystrophy, a rare form of the disease that had never before been seen in children.

The good news is that Ali has a diagnosis, and she’s a fighter.

Sadly, the bad news just keeps on coming.

And on social media today, fans are somberly discussing the latest update about Ali, a development that dwarves all of the usual TM2 drama.

Take a look …

1.
Brave Ali

Brave Ali

Fans who have been keeping up with Leah’s story over the years know that the fight to locate the best specialists and treatment for Ali has been all-consuming.

2.
An Inspiration

An Inspiration

Ali’s optimistic outlook in the face of daunting odds has served as an inspiration for millions who are affected by chronic illness, directly or otherwise.

3.
Ups and Downs

Ups and Downs

Over the years, Teen Mom 2 fans have been thrilled by Ali’s progress — and devastated by her setbacks.

4.
A Labor of Love

A Labor of Love

While there may have been times when Leah’s own drama took center stage on the show, Ali’s difficulties are always at the forefront of Messer’s mind.

5.
A Rare Condition

A Rare Condition

The form of muscular dystrophy that afflicts Leah has never before been seen in children, and specialists have struggled to determine the best course of treatment.

6.
Staying Strong

Staying Strong

Together with her first baby daddy, Corey Simms, Leah has worked tirelessly to ensure that Ali’s childhood is as “normal” as possible. Sadly, in recent years, it’s often felt as though bad news about the 8-year-old’s condition is non-stop …

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