The disorder can lead to poor work performance due to symptoms like inattentiveness, disorganization, and difficulties with time management. 2. The disorder can result in impulsive behaviors that hurt a person’s job, relationships, or legal standing. 3. Untreated impulsivity can lead to reckless behaviors like substance abuse, overspending, and gambling or risky behaviors like having unprotected sex. 4. Untreated ADHD can undermine relationships because of symptoms like a hot temper or frequent mood shifts. 5. Untreated ADHD can result in difficulty relaxing; adults with the condition often feel restless. 6. People with untreated ADHD are often forgetful and may struggle with losing things like keys or important documents. 7. The untreated disorder can negatively impact communication; adults may struggle to listen or stay on topic during conversations. 8. Nervousness and fidgeting are also common problems for adults with untreated ADHD. 9. Treatment can decrease ADHD symptoms. 10. Treatment can help adults manage their ADHD.