What is one characteristic of a mental health disorder?

A defining characteristic of a mental health disorder is the impairment of brain functioning, which can often be attributed to neurotransmitter dysfunction. Mental health disorders frequently involve complex interactions between biological, psychological, and social factors. Neurotransmitters are crucial for regulating various functions in the brain, including mood, thought processes, and behavior. When these neurotransmitters do not function properly, it can lead to symptoms that align with various mental health disorders.

Impairments in brain functioning can manifest in diverse ways, such as changes in mood, cognition, or behavior. Recognizing neurotransmitter roles is essential in understanding how various disorders develop and why individuals may experience specific symptoms. Treatment approaches often aim to restore the balance of neurotransmitters, which is a key aspect of therapeutic interventions for conditions such as depression, anxiety, and schizophrenia.

The other options do not represent core characteristics of mental health disorders. Euphoria and extreme happiness are typically not features of mental health disorders and may instead indicate conditions such as mania in bipolar disorder but are not universally representative of a disorder. Sudden changes in physical appearance can occur for various reasons unrelated to mental health disorders specifically. While the inability to form social connections can certainly be a symptom of some mental health issues, it doesn't universally characterize