Yada She revealed she had asthma previously, but when on set, she felt unusually tired and frequently had to visit the emergency room. Suddenly, she felt the need for a smartwatch and bought one to monitor her health. It turned out her heart rate was 120 while sitting still, and when she got up from the sofa to go to the bathroom, it rose to 150 beats per minute. She thought it might be a heart condition and went to see a doctor for a heart examination (laughs).
The doctor examined her thyroid and discovered the condition. She was diagnosed with hyperthyroidism. Or "thin thyroid" (a term for hyperthyroidism causing weight loss). The doctor explained there are many factors, including hormones, stress, environment, or possibly a family history that could cause the condition.
The doctor advised taking medication for at least one year. While on medication, the side effects were mild, but when off it, the effects were severe—such as rapid weight loss, extreme thinness, hollow cheeks, and feeling tired all the time. No matter how much she ate, she couldn’t gain weight and was easily exhausted.
Her condition has now greatly improved. The doctor initially prescribed three pills, which have been reduced to two, and her weight has increased (laughs). Does it affect her work? At first, not much, but now it does because she has to manage her weight.
With hyperthyroidism, the heart beats very fast and metabolism is high constantly. But after taking medication to return to normal, she eats the same amount but gains weight.
Without the smartwatch, she would never have known because she is very stoic. When sick or short of breath, she rarely shows symptoms.
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She always saw doctors thinking it was asthma and only received asthma treatment. She had a thyroid check once earlier in 2025. The thyroid symptoms appeared late in the year and she hadn’t been checked again because she assumed nothing would be found. She advises fans not to be complacent; symptoms can appear within a month and require ongoing monitoring.
She cried on the first day she learned the diagnosis. She cried while talking to the doctor. When the doctor gave the results, she felt heartbroken because, as she said, she still felt strong and is the family’s pillar, so she couldn’t afford to be ill. Finding out she was sick broke her heart.
Regarding PM 2.5 dust pollution, for asthma patients it is poison. For those with allergies, symptoms worsen, but for asthma sufferers, it’s much more severe.