PTSD is diagnosed when there are persistent symptoms that fall into four clusters and cause distress or impairment for more than a month.

PTSD is often imagined as something only soldiers experience or something that happens after a single dramatic catastrophe.

Evidence-based therapies include: Cognitive-behavioral therapy (CBT) helps identify and challenge unhelpful thoughts and develop coping skills.

Bipolar disorder is a brain-based condition that causes dramatic mood swings, changes in energy, and shifts in activity levels.

Manic or hypomanic episodes involve elevated or irritable mood, increased energy, and changes in behavior that are noticeable to others.

Bipolar disorder is a condition characterized by recurring mood episodes that swing between highs (mania or hypomania) and lows (depression).

"OCD is a mental illness defined by intrusive, unwanted thoughts, or obsessions, and behaviors, or compulsions."

Compulsions: Repetitive behaviors or mental acts performed in response to the obsessions, aimed at reducing distress or preventing a feared outcome.

A racing or pounding heart is a common physical sign of anxiety. You might feel your heart beating fast in your chest or throat, or notice it in your neck.

Anxiety symptoms are the body's natural response to stress. In small doses, they can help you stay focused and prepare for challenging situations.