In hard times some families lash out. others shut down.

Which pattern runs in your family? MAOA Detector checks your DNA to see if you have the warrior gene for aggressive and impulsive behavior or the worrier gene for moody or depressive behavior.

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"Our results suggest that the MAOA gene regulates the stress response by influencing the right anterior hippocampus."

“The MAOA Gene Influences the Neural Response to Psychosocial Stress in the Human Brain” - Frontiers in Behavioral Neuroscience

the best online test for the MAOA gene.

Almost everyone carries the monoamine oxidase A (MAOA) gene, which controls an enzyme that affects important neurotransmitters in the brain, including dopamine and serotonin, which play important roles in regulating your mood, impulse control, and stress response.

People with the low-activity gene (MAOA-L) produce less of the enzyme, while the high-activity gene (MAOA-H) produces more of the enzyme.

MAOA Detector checks your DNA to see which version of the MAOA gene you have. This gene is located on the X chromosome.


Stress behavior and temperament can run in families.

The low-activity form of MAOA is associated with increased levels of aggression, violence, and impulsive behavior.

If you have the high-activity form of MAOA, that means that you’re more likely to get depressed, binge, or have panic attacks.

Some individuals have a complete monoamine oxidase A deficiency, which is a very rare disorder that occurs almost exclusively in males. People who have this disorder face mild intellectual disability, violent impulsive behavior, and sleeping problems. This disorder is called Brunner syndrome.

take charge of your mental health.

Research suggests that a combination of genetic factors, environmental factors, and childhood experiences affect how the MAOA gene shapes your tendency to be a warrior or worrier.

Find out whether your MAOA gene is working for or against you so that you can take control of your mental health and make the choices that will help you thrive.

MAOA Detector gives you instant results based on the raw DNA data you’ve already paid for from genotyping services such as 23andMe and AncestryDNA.

You don’t have to wait until “something happens” or when it’s “too late” to do something about your concerns.

"The best-documented gene implicated in aggression is MAOA (Monoamine oxidase A), which encodes the key enzyme for the degradation of serotonin and catecholamines."

“The role of monoamine oxidase A in the neurobiology of aggressive, antisocial, and violent behavior: a tale of mice and men” - Progress in Neurobiology

five generations of impulsive violent behavior in a dutch family.
"Taken together, data obtained in this family suggest a relation between isolated complete deficiency of MAOA activity and abnormal aggressive behavior in affected males."

Abnormal Behavior Associated with a Point Mutation in the Structural Gene for Monoamine Oxidase A


In 1978 a woman approached the University Hospital of Nijmegen in the Netherlands for help: The men in her family, including her brother and son, had serious violent streaks and mental issues going back generations. She suspected that something was terribly wrong with her family.

She was seen by Dr. Han G. Brunner, who spent the next 15 years tracking down her relatives, interviewing them, and collecting biological samples. His analysis of five generations of violence in this large Dutch family led him to the MAOA gene.

Family members with serious behavioral problems exhibited an MAOA genetic mutation and each had unprocessed neurotransmitters in his biological sample. This genetic mutation cripples an enzyme that helps regulate those neurotransmitters, which in turn help regulate aggressive behavior.

Your DNA is not your destiny.

Understand your MAOA gene, and then use what you learn to live a healthier life.

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DISCLAIMER: This is a general health and wellness application and is not intended to diagnose or treat any condition. This application simply provides risk scores based on your unique characteristics while integrating the latest genomics research. Our algorithms are living and breathing, constantly being updated based on the latest evidence. Please discuss your actual risk with your personal physician.

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