Iodine

Jane had always been a healthy and energetic person until she turned 30. One day, she noticed that her energy levels plummeted, and she began to gain weight. Concerned, she visited her doctor, who asked her about her family's medical history. Jane recalled that her grandmother had suffered from hypothyroidism – a condition where the thyroid gland doesn't produce enough hormones. The doctor nodded and said that the cause of her symptoms could be the same.

It all started when Jane, a 35-year-old software engineer, noticed her hands trembling while typing on her keyboard. She tried to brush it off, but the tremors persisted, and eventually, her coworkers began to notice. The office gossip mill churned out theories about Jane's mysterious ailment, with some suspecting she was secretly battling a severe caffeine addiction.