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Dr. Whitley Lassen - Specialty in Anxiety, Worry, and Phobias
Services and Fees
OCD
Anxiety
Worry
Phobias
Panic Attacks
In Person & Online Therapy
Home
About
CBT
Is my fear a phobia?
Featured in media
Videos
Consulting
Blog
Schedule a free consultation
Dr. Whitley Lassen - Specialty in Anxiety, Worry, and Phobias
Services and Fees
OCD
Anxiety
Worry
Phobias
Panic Attacks
In Person & Online Therapy
Home
About
CBT
Is my fear a phobia?
Featured in media
Videos
Consulting
Blog
Schedule a free consultation
Folder: Services
Back
Services and Fees
OCD
Anxiety
Worry
Phobias
Panic Attacks
In Person & Online Therapy
Home
About
CBT
Folder: Resources
Back
Is my fear a phobia?
Featured in media
Videos
Consulting
Blog
Schedule a free consultation
Why OCD Makes You Question Everything: Understanding Doubt and Uncertainty
OCD Whitley Lassen 10/21/26 OCD Whitley Lassen 10/21/26

Why OCD Makes You Question Everything: Understanding Doubt and Uncertainty

Why does OCD make you question everything? Understand how obsessive doubt develops, why certainty never feels like enough, and how ERP can help.

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Why You Can't Stop Thinking About It: Understanding Mental Compulsions in OCD
OCD Whitley Lassen 10/7/26 OCD Whitley Lassen 10/7/26

Why You Can't Stop Thinking About It: Understanding Mental Compulsions in OCD

Mental compulsions are one of the most misunderstood symptoms of OCD. Learn why you can't stop thinking about it, how rumination keeps OCD going, and what evidence-based treatment does instead

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Why Exposure and Response Prevention (ERP) Works for OCD
OCD Whitley Lassen 9/23/26 OCD Whitley Lassen 9/23/26

Why Exposure and Response Prevention (ERP) Works for OCD

Exposure and Response Prevention (ERP) is the gold standard treatment for Obsessive-Compulsive Disorder (OCD). Learn how ERP works, why it is so effective, and what to expect from evidence-based OCD treatment.

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Why Reassurance Doesn't Help OCD (And What Helps Instead)
OCD Whitley Lassen 8/26/26 OCD Whitley Lassen 8/26/26

Why Reassurance Doesn't Help OCD (And What Helps Instead)

Reassurance may reduce anxiety in the moment, but it also teaches the brain that certainty is necessary. Learn why reassurance becomes part of the OCD cycle and how evidence-based treatment helps people build confidence instead of chasing certainty.

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What Is OCD? Understanding Obsessive-Compulsive Disorder Beyond the Stereotypes
OCD Whitley Lassen 7/29/26 OCD Whitley Lassen 7/29/26

What Is OCD? Understanding Obsessive-Compulsive Disorder Beyond the Stereotypes

What is OCD? Learn what Obsessive-Compulsive Disorder really is, including intrusive thoughts, compulsions, mental rituals, and evidence-based treatments like Exposure and Response Prevention (ERP).

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Contact Information:

Email: whitley@drlassen.com

In person therapy sessions available in
Boulder, CO at
1650 38th St, Suite 100E

Teletherapy sessions available to clients in:

Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Kansas, Kentucky, Maine, Maryland, Michigan, Minnesota, Mississippi, Missouri, Nebraska, Nevada, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, West Virginia, Wisconsin, and Wyoming.

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