Kevin Smith Following Doctor's Orders to Lose Weight After Heart Attack

It's been just weeks since Kevin Smith told fans in a Feb. 26 tweet that he suffered a massive heart attack resulting from a clogged artery. But already the 47-year-old filmmaker has made major strides in reclaiming his health.

Smith took to social media Wednesday to share that he's following his doctor's orders to lose weight and is making good progress.

"I'm officially down 20 pounds as of this morning! 20 pounds in 13 days & my blood pressure is amazing," he tweeted, adding that the secret to his success was reading Presto, the 2016 book written by magician-turned-weight-loss-advocate Penn Jillette.  

Smith also said that he was able to adopt better eating habits, courtesy of scientist Ray Croisi and his "Just Sides" diet program.

Seeing significant results in such a short amount of time has only fueled Smith to continue, enthusing on Twitter: "My Doc said lose 50 pounds. 20 down, 30 more to go!"

Earlier this month, Smith opened up about his health scare during an interview on The Ralph Report podcast. "I don't want to say I feel like a dead man walking, but I do feel like I'm not supposed to be here anymore, and it doesn't make me want to leave," he told host and longtime friend Ralph Garman, "but it makes me appreciate how ... like, all right, let's do everything." 

At the time, Kevin said that he was committed to living a healthier lifestyle and was on "day three of being a vegetarian." He also said that while he was grateful to have lived through the terrifying incident, he would have died happy because of his decades-long career. "I only ever wanted to make Clerks; 25 years later, I did more shit than I ever imagined," he explained, adding that he felt like, "So if this is the price you have to pay for all that ease, checking out before age 50, that's — how can you argue with that? Don't be shitty. Pay the bill. It's time."

The filmmaker suffered the heart attack following a Los Angeles comedy show Feb. 25. Though he was scheduled to perform another set that night, Smith revealed via Twitter that he canceled in order to seek medical help: "If I hadn't canceled show 2 to go to the hospital, I would've died tonight."