Key Takeaways

Dan Marino was diagnosed with MASH, a liver disease, in 2007

He changed his diet and started exercising more regularly

Marino says he feels optimistic about his health

THURSDAY, Sept. 18, 2025 (HealthDay News) — Football legend Dan Marino has disclosed that he has been living with a serious liver condition for nearly 20 years.

The former Miami Dolphins quarterback said that by making major lifestyle changes, he feels optimistic about his health.

Marino, 64, told People magazine that he was diagnosed in 2007 with metabolic dysfunction-associated steatohepatitis (MASH). The condition — previously called nonalcoholic fatty liver disease — happens when too much fat builds up in the liver and can lead to severe health outcomes.

"The doctors right away said that can be

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