Mental Illness in Young Adults

By: Melissa Molina

You may think you’re all grown up, you might even be the tallest you’ll ever be at this point in your life but young adults, ages 18 to 29, are still experiencing cognitive development. Brain development does not stop once you reach 18. In fact, the cognitive growth process is only half way done. Parental controls, attending college, changes and experiences that happen to young adults in their early twenties can affect and significantly shape brain development. This is why mental illnesses can present at this time in life. 

Mental Illness envelops a wide assortment of issues that exist on a severity continuum. Some can be brief or temporary reactions to emergency or different encounters, while others are chronic conditions. Mental Illnesses have different causes and triggers and present in different ways.

Mental Illnesses that Commonly Present in Young Adults: 

  • Eating Disorders (anorexia,bulimia, bingeing) 
  • Addiction (opioids, tobacco, alcohol) 
  • Anxiety Disorders (social anxiety, generalized anxiety, phobias) 
  • Personality Disorders (antisocial, borderline personality disorder) 
  • Mood Disorders (bipolar disorders, major depressive disorder) 
  • Thought Disorders (schizophrenia)

Young adults are at a particularly vulnerable time in their development, which might give reason as to why 1 of every 5 is affected by mental illness. Given the right conditions, stress can trigger mental illness. 

Considering young adults’ brains are still developing, diagnosing mental illness and treating or managing it can improve chances of a great outcome. Most young adults with mental illness can learn to successfully manage symptoms and live happy lives with the right help.

If you or someone you know is struggling with a mental illness, please contact our psychotherapy offices in New York or New Jersey to talk to one of our licensed professional psychologists, psychiatrists, psychiatric nurse practitioners, or psychotherapists at Arista Counseling & Psychotherapy. Contact our Paramus, NJ or Manhattan, NY offices respectively, at (201) 368-3700 or (212) 722-1920 to set up an appointment. For more information, please visit


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