What Happened To Jeongyeon: Health Journey

TWICE has always been known for its nine members performing together as one unstoppable force. But over the past several years, fans have been asking the same question with growing concern — what happened to Jeongyeon? The answer is a story of real medical struggle, quiet resilience, and an incredibly hard-fought return to the stage that has moved fans around the world.

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What Happened to Jeongyeon and Why It Shocked the World

When Jeongyeon began stepping back from TWICE activities in 2020, the public did not fully understand why. She looked different. She was missing from performances. Rumors swirled online, and unfortunately, much of the conversation turned into body shaming rather than genuine concern. What was actually happening behind the scenes was far more serious than most people realized at the time.

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The Herniated Cervical Disc That Started Everything

Jeongyeon’s health journey began with a herniated cervical disc — a painful condition affecting the neck that required surgery in 2020. For a performing artist whose entire career depends on physical movement, choreography, and stage presence, this kind of injury alone would have been devastating. But the surgery was only the beginning of a much longer road.

To manage her recovery, doctors prescribed steroid medication. What followed was something Jeongyeon could not have predicted. The steroids triggered serious side effects that began affecting her body in visible and painful ways.

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Cushing’s Syndrome Diagnosis Nobody Knew About

For years, fans saw the physical changes in Jeongyeon but did not know the medical reason behind them. It was only recently, during her appearance on tvN’s popular variety show You Quiz on the Block, that Jeongyeon revealed she had been diagnosed with Cushing’s syndrome.

Cushing’s syndrome is caused by excessive cortisol in the body. When steroid medication is taken over a period of time, it can trigger this condition. The most common symptoms include rapid weight gain, skin changes, fatigue, high blood pressure, and significant hormonal imbalance. For Jeongyeon, this meant her body was changing in ways completely outside of her control — while the public and online communities were actively commenting on and criticizing those very changes.

She shared on the show that she was going through an incredibly difficult mental period when her older sister, actress Gong Seungyeon, noticed something was wrong. It was Seungyeon who pushed her to visit a hospital. Thanks to that push, Jeongyeon got properly diagnosed and was finally able to begin the right treatment.

“Thanks to my sister, I went to the hospital and was diagnosed with Cushing’s syndrome,” Jeongyeon said. “I was very grateful that the treatment went well and that I became healthy again.”

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Panic Disorder and Psychological Anxiety on Top of Physical Illness

What makes Jeongyeon’s story even more difficult to hear is that the physical health struggles did not come alone. During the same period, she was also battling panic disorder and severe psychological anxiety. The mental and emotional weight of being ill, being publicly scrutinized, and still trying to maintain her identity as a TWICE member was an enormous burden.

Between 2020 and 2024, she paused TWICE activities four separate times. Each hiatus carried its own wave of speculation, concern, and unfortunately, criticism from corners of the internet that chose judgment over empathy. Fans who stayed close to her journey understood what was happening, but the broader public conversation was often unkind.

In interviews, Jeongyeon admitted she sometimes felt regret for not recovering faster. That kind of self-pressure, layered on top of a genuine medical condition, reflects just how much she was carrying during those years.

JYP Entertainment and the Silence That Frustrated Fans

One of the most discussed aspects of what happened to Jeongyeon is the role JYP Entertainment played — or failed to play — in communicating her situation to the public. When Jeongyeon had to miss the TWICE world tour concert at the Philippine Arena in Bulacan in October 2025, JYP released a statement saying the decision was made with her health and recovery as the top priority. Eight members — Jihyo, Nayeon, Momo, Sana, Mina, Dahyun, Chaeyoung, and Tzuyu — performed without her.

While the agency’s statement was polite and professional, many fans felt that more transparency earlier in her journey could have protected Jeongyeon from years of unnecessary body shaming. When her Cushing’s syndrome diagnosis was finally revealed publicly, reactions were strong. Many fans expressed frustration that JYP had not disclosed this information sooner, arguing that it would have shifted the public narrative from criticism to compassion far earlier.

Others pointed out that medical privacy is a personal right and that Jeongyeon herself may have chosen to keep her diagnosis private until she felt ready to share it. Both perspectives reflect the complicated relationship between public figures and the people who follow them.

The Body Shaming Controversy Around Jeongyeon’s Weight Loss Journey

Jeongyeon’s weight loss journey has been one of the most mishandled topics in recent K-pop discourse. When TWICE released the teaser for their fourth full-length album FOUR in 2025, a comment highlighting Jeongyeon being “back to skinny” circulated widely and sparked immediate backlash from the fandom.

Fans were quick to point out that commenting on any idol’s body — whether gaining or losing weight — is inappropriate and harmful. In Jeongyeon’s case, it was especially painful given that her weight fluctuations were directly caused by Cushing’s syndrome and steroid side effects. She had no control over what her body was doing during those years, yet she faced public scrutiny throughout.

ONCE fans pushed back hard against the body image controversy, emphasizing that Jeongyeon’s worth is not tied to her appearance. They called for kindness and urged followers to focus on her talent, her voice, and her strength rather than how she looks at any given moment.

What Happened to Jeongyeon on the THIS IS FOR World Tour

Fast forward to 2026, and the answer to what happened to Jeongyeon has become one of the most uplifting stories in K-pop. She is performing every single night on TWICE’s THIS IS FOR World Tour — one of the largest concert tours ever staged by a K-pop girl group, spanning 78 shows across 43 global regions.

Jeongyeon’s Solo Stage — Fix A Drink

In Act III of the THIS IS FOR setlist, each member performs an original solo stage. Jeongyeon performs Fix A Drink, a country-inspired track from TWICE’s 2025 album Ten: The Story Goes On. She takes the stage in a bedazzled white cowgirl hat and chaps, fully committing to the character and energy of the song. Concert reviewers have called it iconic, and it has become one of the most talked-about solo moments of the entire tour.

Takedown Unit Stage With Jihyo and Chaeyoung

Later in Act III, Jeongyeon joins Jihyo and Chaeyoung for the unit stage performance of Takedown, a track from the K-Pop Demon Hunters soundtrack — Netflix’s most-watched film ever. The crowd reactions at every stop have been massive, and Jeongyeon’s presence in the unit has been a highlight for fans who remember the years she spent away from the stage.

Jeongyeon Prime Visuals and Fan Reactions in 2026

In May 2026, Jeongyeon uploaded behind-the-scenes photos from the world tour to her social media without a caption. The images showed her backstage in a sleeveless top with pearl details, wearing her performance microphone and posing for mirror selfies. The photos spread rapidly across Korean online communities and fan accounts.

Fans praised her sharper facial features and confident styling, with many commenting that she had returned to her prime visuals — a phrase used in Korean entertainment to describe a celebrity at their most radiant. The images sparked an emotional wave of support from ONCE, with comments celebrating not just her appearance but her full recovery and resilience after years of health struggles.

The renewed attention also brought back discussion of her You Quiz on the Block appearance, where clips of her speaking about Cushing’s syndrome circulated again and reminded newer fans of the full scope of her journey.

Jeongyeon’s Recovery Through Tennis, Surfing, and Rebuilding Strength

The physical recovery Jeongyeon has gone through over the past two years has been intentional and gradual. She focused on rebuilding her strength through consistent physical activity, including tennis and surfing, while continuing her medical treatment. This kind of slow, steady rebuilding — rather than rushing back before she was ready — reflects the maturity and self-awareness she has shown throughout her health journey.

By the time TWICE launched THIS IS FOR in July 2025, Jeongyeon was ready. She performed the South Korea, Japan, and Southeast Asia legs of the tour before carrying that momentum into the North American run. She has not missed a single North American date, performing across Vancouver, Seattle, Los Angeles, New York, Philadelphia, and beyond — every night, full setlist, no modifications.

What Jeongyeon’s Story Means for K-Pop and Mental Health

Jeongyeon’s journey has opened up a broader conversation about how the K-pop industry treats its artists during health crises — and how fans and media respond when an idol’s body changes visibly. Her experience with Cushing’s syndrome, panic disorder, and psychological anxiety while continuing to work in one of the world’s most demanding entertainment industries is a story that deserves to be told with full honesty.

She did not disappear. She did not give up. She took the time she needed, trusted the process, and came back stronger. What happened to Jeongyeon is ultimately a story about a person who faced something genuinely hard — medically, mentally, and publicly — and chose to keep going anyway.

For ONCE and for anyone following her story, watching Jeongyeon perform Fix A Drink in a cowgirl hat in front of tens of thousands of people in 2026 is not just a concert moment. It is the ending — or rather, the continuation — of a story that could have gone very differently.

Frequently Asked Questions About What Happened To Jeongyeon