John Cena spent more than two decades portraying characters who seemed almost indestructible, the kind of figures who could take a beating in the ring and walk away unfazed.
But in the years since stepping back from full‑time professional wrestling, the actor and WWE legend has been increasingly candid about the parts of his life that don’t fit the superhero image. That honesty now includes a condition he didn’t even know existed until it began affecting his vision: Demodex blepharitis, an eyelid disease caused by microscopic mites that live in and around the eyelashes.
In an interview with Newsweek, Cena says he spent years brushing off the redness, itching and crusting around his eyes, assuming it was just part of getting older or spending long days under bright lights.
“I chalked it up to everything—screens, age, long days, not sleeping,” he said Thursday. “There was enough truth in all my excuses to keep me from doing anything about it.”
He didn’t realize that the symptoms he’d normalized were signs of a condition affecting millions.
For Cena, 49, the diagnosis became a turning point—one that reshaped how he thinks about aging, vulnerability and preventive care.
What Are Demodex Mites and Demodex Blepharitis?
Demodex mites are microscopic organisms that live naturally in human hair follicles, particularly on the face, and nearly everyone has them without symptoms. But when they multiply too quickly—often in people who are immunocompromised or have underlying skin conditions—they can trigger inflammation known as demodicosis, causing itching, redness, irritation and, in some cases, eyelid inflammation or lash loss. Two species commonly affect humans: Demodex folliculorum, which lives around the eyelashes and feeds on skin cells, and Demodex brevis, which resides deeper near oil glands and feeds on sebum.
Although the mites themselves are widespread, Demodex blepharitis affects an estimated 25 million Americans and is often overlooked because its symptoms can mimic common irritations like allergies or fatigue. Diagnosis is typically made through a clinical exam or skin testing, and treatment focuses on reducing the mite population with topical acaricides such as ivermectin or permethrin. While hygiene may help limit buildup, medical treatment is usually required.
‘I Didn’t Even Know What It Was’
Demodex mites are common, but when they overgrow, they can cause inflammation, itching and crusting that is often mistaken for allergies or fatigue.
Cena’s symptoms escalated gradually, from trouble reading street signs to persistent eye irritation.
“I didn’t even know what Demodex blepharitis was,” he says. “I just thought, ‘I’m old, this is the way it is.’”
During an eye exam, his doctor identified collarettes—crusty flakes along the lash line that signal a Demodex infestation.
“One hundred percent of patients with collarettes have Demodex blepharitis,” according to Tarsus Pharmaceuticals. He was prescribed XDEMVY and says the twice‑daily drops cleared his symptoms within weeks. Cena said his experience reflects how easily the condition can go undiagnosed—and why increased awareness aims to encourage earlier evaluation and routine eye care.
“It hides in plain sight,” Cena says. “People don’t talk about it because they don’t know what it is.”
The Fast X and Peacemaker star first noticed symptoms in his mid‑40s but delayed treatment, attributing them to age and lifestyle. By the time his vision worsened, an exam quickly identified the issue—and he was relieved soon after.
From WWE Invincibility to Real‑World Vulnerability
Cena’s willingness to talk openly about his health marks a shift from the persona he embodied during his WWE career.
“I hope we’re not the same person we were yesterday,” he says. “I’m trying to grow.”
He’s been increasingly transparent about issues many people keep private—hair transplants, skin cancer scares, colonoscopies and now eye health.
“I’m not perfect. I’m flawed. I need help like everyone else,” he says. “The more I can get that message across, the better I sleep at night.”
He sees it as part of a responsibility that has been built over two decades in the limelight.
“People trust me,” he says. “If I can use that trust to help someone get checked, that’s worth it.”
A New Philosophy of Preventive Care
Cena says his diagnosis reshaped how he thinks about health.
“I’ve always been an advocate for preventative physical care,” he says. “But my perspective on overall preventative care has changed.”
He now prioritizes regular screenings—skin checks, colonoscopies, blood work, even full‑body MRIs. “These things aren’t easy,” he says. “But the yield is a healthy life.”
“I used to feel young and bulletproof,” he adds. “Now it’s about my overall health—physical, mental, spiritual. I want to be useful for the next 30 to 50 years.”
The Power of Humor—and of Asking for Help
Cena, who has established himself as a versatile Hollywood fixture, knows the idea of eyelid mites can sound strange, even funny. He embraces that.
“Humor is good,” he says. “It means people aren’t afraid. Fear is a tough hill to climb.”
His upcoming campaign with Tarsus leans into that humor, using lighthearted scenarios to make the topic approachable. But beneath the jokes is a serious message: Don’t self‑diagnose and don’t ignore symptoms.
“I was lazy,” he says. “I thought discomfort was just life being life. But as soon as I went to a professional, everything changed.”
Cena’s message is straightforward: Get an eye exam.
“It’s an easy one,” he says. “Go to a professional. Get checked. If you get diagnosed, there’s hope and there’s promise on the other side.”
For him, the partnership with Tarsus is s a continuation of his evolving purpose. “My goal now is to be useful,” he says. “If sharing my story helps someone else, that’s a day well spent.”