Por Renan Filho · 2026-10-29**Lead**
Dr. Marc Siegel, a professor of medicine at NYU Langone Medical Center and a leading medical voice in American media, is sounding an urgent alarm about a growing public health and security issue: marijuana addiction is no longer confined to adults. In his recent commentary, Siegel argues that the normalization of cannabis use among parents is directly fueling a rise in addiction among children, spreading through every state where legalization has taken hold. The problem, he warns, is not just about the drug itself. It is about the home environment that parents create and the message that their behavior sends to their children.
**Context**
The shift in America’s attitude toward marijuana has been dramatic. Over the past two decades, a majority of states have legalized cannabis for medical or recreational use, and public perception of the drug has softened. Many parents now regard marijuana as a harmless recreational substance, similar to having a glass of wine after work. But Dr. Siegel, who has been a practicing physician for decades, consistently cautions that today’s cannabis is not the mild plant of the 1960s. The average potency of THC, the psychoactive compound in marijuana, has tripled or quadrupled in recent years, with concentrates and edibles containing even higher levels. This is a crucial point in understanding why children are especially vulnerable.
When parents use marijuana at home, they are not just making a personal choice. They are modeling behavior for their kids. Children who grow up watching their parents smoke or vape cannabis are substantially more likely to experiment with it themselves. This is not speculation; it is a pattern observed by addiction specialists across the country. The home becomes the first place where children are exposed to the drug, whether through direct observation, secondhand smoke, or simply the normalization of the act. In many cases, edibles are left in refrigerators or cabinets, inviting accidental ingestion or intentional experimentation. Dr. Siegel highlights this as a safety issue that families and communities are only beginning to understand.
The rise of legalization has also contributed to a cultural shift in which the risks of marijuana are downplayed. Parents may be influenced by the same media campaigns that celebrated cannabis as a cure-all or a low-stress lifestyle accessory. Yet, medical research has consistently shown that the human brain is not fully developed until the mid-20s. THC exposure during adolescence can alter brain development, affecting memory, attention, and learning. It is also linked to an increased risk of psychiatric disorders, including anxiety and depression. The very parents who use marijuana to relax or manage stress are unintentionally passing on a legacy of addiction and mental health struggles to their children.
**Analise**
The security dimension of this trend cannot be overstated. A generation of youth who become addicted to marijuana may face long-term consequences that ripple through society. Poor academic performance, impaired decision-making, and an elevated likelihood of using illicit drugs are among the outcomes that add pressure on schools, healthcare systems, and law enforcement. Dr. Siegel points out that marijuana addiction is not a victimless crime; it affects families financially and emotionally, and it contributes to unsafe driving and other risky behaviors. As more young people become dependent on cannabis, communities across the United States are likely to see a rise in emergency room visits, drug treatment admissions, and mental health crises.
The spread of this addiction is also a matter of parental responsibility. Dr. Siegel has repeatedly emphasized that parents must be the first line of defense. He urges adults who choose to use marijuana to do so out of sight from children and to secure all cannabis products in locked containers, just as they would with alcohol or prescription drugs. But he also suggests that a broader societal shift is necessary: a return to recognizing marijuana as a substance with real risks, particularly for the developing brain. This means moving beyond the tired debates about legalization and focusing instead on public education and prevention that target parents as well as children.
**Fontes**
FOX News – Dr. Marc Siegel’s commentary on marijuana addiction and public health; NYU Langone Medical Center – Dr. Siegel’s faculty page and medical credentials. Additional context derived from public health literature on cannabis potency and adolescent brain development, as referenced in Dr. Siegel’s published articles.