7 Harmful Myths About Mental Health

Last Updated on 10 months ago by Donna Novak, Psy.D.

Mental health has fortunately become a more open and frequent topic of conversation in many circles, but that doesn’t mean there’s full clarity around it. As a matter of fact, a lot of myths still go around about therapy, diagnoses, and mental health treatments, leading to unnecessary stigma, assumptions, and misunderstanding.

As therapists providing mental health services in Thousand Oaks, we’re committed to debunking these myths and offering unbiased care to individuals and families all over Ventura County, CA. By setting the record straight, we hope more people can feel empowered to seek therapy without shame or hesitation.

What are 7 harmful myths about mental health?


Here’s a quick breakdown of the myths we’re about to explore:

  1. We only use 10% of our brain
  2. People are either “left-brained” or “right-brained”
  3. Polygraphs can reliably detect lies
  4. Mental health medication is a quick fix
  5. Opposites attract in relationships
  6. Men and women have fundamentally different brains
  7. Listening to Mozart makes you smarter

These myths are not just over-generalizations; they can be harmful. I’m excited to break them down and help you understand what’s true.

Myth 1: We Only Use 10% of Our Brain

This idea has been in movies and pop culture for decades, suggesting that we all have untapped genius lying dormant in our minds. But research has thoroughly debunked this. Brain scans show that we use nearly every part of our brain, just in different ways and at different times.

Believing we only use 10% can mislead us into thinking therapy or change isn’t worth pursuing until we “unlock” something inside. But the reality is, our brains are constantly growing and adapting. A therapist in Thousand Oaks can help you tap into that adaptability for better healing and growth.

Myth 2: People Are Either Left-Brained or Right-Brained

You may have once taken a quiz online telling you you’re “creative” because you’re right-brained or “analytical” because you’re left-brained. But just like everything else in life, the brain doesn’t work in such a black-and-white way. Both hemispheres are involved in almost every function, especially complex ones like how we communicate, our capacity for emotional regulation, or decision-making. Pigeonholing ourselves based on this myth would only limit how we see ourselves or those around us. Therapy helps us explore the full range of our thoughts and feelings without putting ourselves in a box.

Myth 3: The Polygraph Can Accurately Detect Lies

Hand with black tape over fingers resting on wooden table, taking a polygraph test.


TV crime dramas and even reality shows often show polygraphs as the ultimate lie detector, but in real life, they’re way less reliable. While they do measure physiological responses like heart rate and sweating, those same signals can be triggered by anxiety, trauma, or stress, not just during deception. I often work with clients who experience heightened anxiety in high-pressure situations like a busy work shift or juggling multiple family members’ schedules. If I were to tell those clients that they are “lying” about their fear or panic simply based on their heart rate, it would only add more shame. 

Not sure if what you’re feeling is stress or anxiety? This article breaks down the difference and can help you make sense of what’s going on inside.

Myth 4: Mental Health Medications Are a Quick Fix


Medication can be helpful, but it’s not a magic pill that will fix all your problems. It usually takes time, adjustment, and working with a therapist to find the right fit for your needs. And even then, medication alone is rarely enough. Habitual practices like therapy, lifestyle changes, and self-awareness are often what make the biggest long-term difference. Adding medication on top of that would help give you that additional boost. If you’re unsure about whether medication is right for you, our therapists in Thousand Oaks are here to help talk through your options and work with your healthcare provider as needed.

“There’s no one-size-fits-all in mental health. Real healing is rarely instant, but it is absolutely possible with the right support.”
— Dr. Donna Novak, Founder of Simi Psychological Group

Myth 5: Opposites Attract in Relationships

This myth may sound romantic, but research shows long-term relationship success is more likely when couples share similar values, goals, and communication styles. Differences can sometimes complement each other, but compatibility is deeply rooted in understanding, not in constant compromise.

If you’re navigating tension in your relationship, therapy can help explore your unique dynamic. We also support couples in identifying core patterns and working toward mutual fulfillment. Check out our post on why prioritizing your marriage can help your whole family thrive.

Man and woman on their cell phones wearing bright colors texting one another about the mental health services in Thousand Oaks.

Myth 6: Men and Women Have Inherently Different Brains

Similar to the “opposites attract” myth is the myth that men and women have inherently different brains, leading to significant cognitive and behavioral differences. While it might feel true that men are from Mars and women are from Venus, and while it is true that there are some structural differences between the male and female brain, the extent of these differences and their implications for behavior and cognition are still a subject of debate among researchers. Yes, male and female brains show some structural differences, but this doesn’t mean men and women are wired to behave or think in opposite ways. Much of our behavior is shaped by culture, experience, and our environment, not just biology.

Myth 7: Listening to Mozart Will Make You Smarter

This myth, known as the “Mozart Effect,” gained a lot of attention in the 1990s, suggesting thatclassical music could boost intelligence. While music can elevate mood and help with focus, there’s no solid evidence that listening to Mozart would boost your IQ.

What’s more damaging is the broader myth that people with learning difficulties are less intelligent. Intelligence isn’t one-size-fits-all, and neither are our kids. Evidence shows that contrary to what some believe, kids with learning difficulties are not poorly taught, lazy, or stupid but have an inborn difference in brain function that has nothing to do with intelligence.

Why Debunking These Myths Are Important For Your Mental Health

Mental health myths aren’t just misinformation; they can be the roadblocks to our healing. They can cause people to delay therapy, dismiss their symptoms, or even feel shame about needing help. By busting these myths and replacing them with facts, we create a more compassionate and empowered path forward.

Whether you’re looking for support with anxiety, parenting, relationships, or healing from trauma, our team is here for you. Our mental health services in Thousand Oaks meet you where you are with zero judgment and plenty of encouragement. Reach out to us today at (805) 842-1994 to schedule a free consultation. 

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