What is Anxiety and Depression?

Anxiety and depression are two of the most common mental health conditions. Learn what they are, their symptoms and causes, and the treatments that can help.

HEALTH

10/16/20252 min read

woman lying on bed
woman lying on bed

What Are Anxiety and Depression?

Anxiety and depression are two distinct but often connected mental health conditions that affect how we think, feel, and live our daily lives. In fact, they hold us back from living a fulfilling, successful life.

  • Anxiety is more than occasional worry or nervousness — it’s an ongoing sense of fear or dread that can be overwhelming and hard to control.

  • Depression goes beyond feeling sad or low for a few days — it’s a persistent state of sadness, emptiness, or hopelessness that can last weeks, months, or even years.

Both conditions are prevalent, and many people experience them together. The good news is they are treatable, and support is available.

Symptoms of Anxiety

Anxiety can affect both the body and mind. Common symptoms include:

  • Excessive worrying or racing thoughts

  • Restlessness or feeling “on edge”

  • Difficulty concentrating

  • Irritability

  • Sleep problems (trouble falling or staying asleep)

  • Physical symptoms: rapid heartbeat, sweating, trembling, shortness of breath, stomach issues

Symptoms of Depression

Depression symptoms can vary, but often include:

  • Persistent low mood, sadness, or emptiness

  • Loss of interest or pleasure in activities once enjoyed

  • Fatigue or lack of energy

  • Difficulty concentrating or making decisions

  • Changes in appetite or weight

  • Feelings of guilt, worthlessness, or hopelessness

  • Thoughts of death or suicide (in severe cases)

Causes of Anxiety and Depression

There is no single cause, but several factors can contribute:

  • Biological factors – genetics, chemical imbalances in the brain

  • Psychological factors – negative thought patterns, low self-esteem, past trauma

  • Environmental factors – stressful life events (bereavement, financial issues, relationship difficulties)

  • Lifestyle factors – lack of sleep, poor diet, substance misuse, chronic stress

  • Medical conditions – some illnesses or medications can also trigger symptoms

Often, it’s a combination of these factors rather than just one.

Treatments for Anxiety and Depression

The good news is that both anxiety and depression are treatable. Approaches may include:

Talking Therapies

  • Cognitive Behavioural Therapy (CBT): helps identify and change unhelpful thoughts and behaviours.

  • Counselling or psychotherapy: provides a safe space to explore feelings and experiences.

  • Group therapy: connects people with others facing similar struggles.

Medication

  • Antidepressants (SSRIs, SNRIs): often prescribed for depression and anxiety disorders.

  • Anti-anxiety medications: sometimes used short-term to manage severe anxiety.

Lifestyle Approaches

  • Regular exercise – proven to boost mood and reduce anxiety.

  • Mindfulness and meditation – calm the mind and build resilience.

  • Healthy diet and sleep routines – stabilise energy and mood.

  • Support networks – talking to friends, family, or peer support groups.

Final Thoughts

Anxiety and depression are common, but they do not define who you are, and they are treatable. Reaching out for help is the first step toward recovery. With the right combination of support, therapy, and lifestyle changes, it’s possible to manage symptoms, feel better, and regain quality of life.