Anxiety isn't solely a chemical imbalance, but rather a complex condition involving interactions between brain chemistry (neurotransmitters like serotonin, dopamine, GABA), genetics, brain structure (like the amygdala), and environmental factors (stress, experiences). While imbalances in these chemicals can contribute, the idea of a simple, static imbalance causing anxiety is considered an oversimplification; the relationship is dynamic, with emotions and thoughts also influencing brain chemistry.
Chemical imbalances: Several neurotransmitters and hormones play a role in anxiety, including norepinephrine, serotonin, dopamine and gamma-aminobutyric acid (GABA). Imbalances in these chemicals can contribute to an anxiety disorder.
Common anxiety signs and symptoms include: Feeling nervous, restless or tense. Having a sense of impending danger, panic or doom. Having an increased heart rate.
Not everyone with anxiety needs medication. However, medication can be vital to treating anxiety disorders, often combined with talk therapy. Several different types of drugs are available, and they work in different ways.
Symptoms of a Chemical Imbalance in the Brain
Researchers hypothesized that a deficiency in certain neurotransmitters could lead to symptoms such as: Persistent feelings of sadness, hopelessness, or emotional emptiness. Overeating or loss of appetite. Insomnia or excessive sleep.
Fear can trigger anxiety, activating parts of the brain like the amygdala, which is responsible for processing emotions. This activation can result in the experience of anxiety, making fear and anxiety closely connected in our brain's response to perceived threats.
Five common anxiety symptoms include excessive worry, a racing heart, trouble sleeping, restlessness, and difficulty concentrating, often accompanied by physical feelings like a churning stomach, shortness of breath, and muscle tension, alongside irritability. These symptoms can be persistent and interfere with daily life, signaling the need for professional help.
While many people with anxiety disorders need psychotherapy or medications to get anxiety under control, lifestyle changes and coping strategies also can make a difference.
Your body: You may experience common anxiety symptoms such as changes in heart rate, a tight chest, changes in breathing, sweating, muscle tension, stomach ache, nausea, restlessness, twitchy, odd physical sensations.
Panic is the most severe form of anxiety. You may start to avoid certain situations because you fear they'll trigger another attack. This can create a cycle of living "in fear of fear". It can add to your sense of panic and may cause you to have more attacks.
Tension headaches (mild to moderate pain that feels like having a tight band around your head) are common among people with anxiety, according to the ADAA. It's also common to feel tension and soreness in the shoulders, neck and jaw.
Many people believe that anxiety always comes with panic attacks. While panic attacks are one way anxiety can show up, they're not the only way. Anxiety without panic attacks can be just as impactful on daily life, yet it often goes unrecognized or is dismissed as "just stress."
Depression or anxiety: Low estrogen, testosterone, or thyroid hormone levels can lead to mood swings, irritability, or depression. Elevated cortisol may contribute to anxiety or panic attacks.
It may also be dangerous to consume alcohol with certain medications used for depression and anxiety. For example, taking certain anti-anxiety medications (such as benzodiazepines) or pain medications (like opioids/opiates) with alcohol, can slow down breathing significantly.
In some cases, yes, anxiety can go away completely. Especially when you address the neurophysical/psychophysical root cause. For most people, normal anxiety will still arise occasionally but it does not have to dominate your life.
“An anxiety disorder often is not just an anxiety disorder. When untreated, it may progress to depression,” Dr. Swantek said. “Untreated anxiety has also been associated with elevated levels of cardiovascular disease, elevated blood pressure—and other medical conditions.”
Supplement options
Although further studies are needed, vitamin D deficiency has been linked to anxiety and depression. Supplements may help manage symptoms of stress and anxiety in those who are deficient. Vitamin B complex supplements may also help lower stress and anxiety levels.
Can You Worry Yourself to Death? Many studies have found a link between anxiety-prone personality and shortened lifespan. 1 The tendency to always react to frustration, loss, or threat with negative emotions is referred to as neuroticism by researchers who have found this trait to be widespread and worrisome.
Talk to a doctor about how you're feeling.
The doctor or nurse may also check to see if you have another health condition (like heart disease or diabetes) that can cause anxiety or make it worse. If you have one of these health conditions, it's important to get treatment right away.
Absolutely! It is a disease associated with traumatic experiences experienced during childhood. It can also be triggered for reasons such as gender, socioeconomic status, lack of emotional support, inheritance or recent crises.
The best treatments for anxiety involve a combination of psychotherapy (especially Cognitive Behavioral Therapy - CBT) to change thought patterns and behaviors, and sometimes medication (like SSRIs), alongside crucial lifestyle changes such as regular exercise, a healthy diet (limiting caffeine/nicotine), and good sleep. CBT, particularly exposure therapy, teaches you to gradually face fears, while other therapies like ACT and mindfulness also help manage symptoms effectively, often with lifestyle adjustments as powerful complementary tools.
The brain's limbic system, comprised of the hippocampus, amygdala, hypothalamus and thalamus, is responsible for the majority of emotional processing. Individuals with an anxiety disorder may have heightened activity in these areas.
How to Know If You Need Anxiety Medication