Jessica Stone
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Testimonial
Dr. Stone, I am so grateful to your program and also your generosity. I was a hopeless addict who believed there was no way of getting clean. Thanks to my sister and Cornerstone staff, I recently took my 90 day chip in N.A. Thanks, my life has been changed.
Isaac C.
Jessica Stone
Co-Founder and Executive Assistant
Since Cornerstone’s inception, Jessica Stone has been an integral component of the family business. Co-founding it in 1984 with Michael, she has tirelessly dedicated her life to the improvement of recovery outcomes for thousands of addicts.
Personal life:
Born in India, she grew up in the UK where she met and married Dr. Stone in 1967.
Jessica is extremely proud of her three children, Simon, Samantha and Tim, who have also dedicated their lives to Cornerstone and the treatment of addictive disorders. Like her husband, she is a doting grandmother of her five grandchildren.
Author’s publications
Celebrating National Recovery Month: Hope is Real. Recovery is Real.
By Phil Kosanovich, MBA on September 5, 2024
Celebrating National Recovery Month This September As September unfolds, we at Cornerstone of Southern California join millions across the nation in observing National Recovery Month. This annual celebration shines a spotlight on substance use treatment and mental health services, reminding us all that recovery is possible and that every journey toward healing is worthy of […]
The Growing Danger of Fentanyl with Xylazine & Treatment Options
By Phil Kosanovich on October 25, 2023
Fentanyl and Xylazine: The Increasing Dangers and Treatment Options In the last 10 years, the dangers of Fentanyl exposure have become increasingly more wide spread, including and especially across public platforms and social media. And though both healthcare professionals and government establishments, including the U.S. Department of Justice Drug Enforcement Administration (DEA), the Federal Drug […]
Dating a Recovering Alcoholic: How to Build a Healthy Relationship in Sobriety
By Phil Kosanovich on November 12, 2025
Dating someone in recovery from alcohol addiction can present unique emotional and practical challenges. This guide provides medically reviewed insights to help you understand boundaries, relapse prevention, and how to support a partner in sobriety. When you're dating someone who has a history of drug or alcohol addiction, it may come as a shock. It's […]
Can Alcoholics Ever Drink Again?
By Phil Kosanovich on November 12, 2025
Alcohol addiction recovery raises many personal questions, one of the most common being whether someone who once struggled with alcohol can ever drink again. This topic isn’t only about moderation, it’s about understanding how addiction changes the brain, how recovery works, and why relapse prevention is crucial for long-term health. If you quit drinking due […]
Pinprick Pupils and Other Signs of Drug Use: What Small or Pinpoint Pupils Can Mean
By Phil Kosanovich on November 7, 2025
Addiction is a destructive and complex condition that impacts not only the individual struggling with substance use but also their family, friends, and community. It can lead to emotional distress, declining physical health, and lost productivity, affecting every area of a person’s life. According to national data, more than 35 million adults in the United […]
How Long Does Adderall Stay in Your System, Body and Blood?
By Phil Kosanovich, MBA on November 7, 2025
Whether you are prescribed Adderall or concerned about drug testing, understanding its metabolism can help you prepare. This guide covers how long Adderall stays in urine, blood, saliva, and hair, along with key factors affecting elimination time. Learn more about our treatment options if Adderall use has become a concern. Adderall is a prescription drug […]