The Brain on Cannabis

From the Amen Clinics, America’s frontline resource for brain health and treatment of brain injury, comes the most comprehensive and myth-busting guide yet on marijuana use and its effects on the brain—including how to effectively talk to young people about recreational marijuana use.

For more than 25 years, the renowned Amen Clinics has been
a frontline resource for brain health

...NOW they TACKLE all your questions about how marijuana affects your brain—and the brain of your child.

Since marijuana became legal in many states, people of all ages are using it for pain relief and treatment of a variety of illnesses and ailments. But is it safe? In this comprehensive book, renowned psychiatrist and licensed prescriber of medical marijuana Dr. Rebecca Siegel delivers the most complete guide yet about the benefits and risks of using marijuana today. Based on the latest scientific research, this easy-to-read book busts all the myths and helps you navigate the sometimes confusing and often-changing world of marijuana. Within these pages you’ll discover a wealth of invaluable information, including:

Why medical marijuana is vastly different than CBD and recreational marijuana—especially when it comes to children and teenagers

Why medical marijuana is vastly different than CBD and recreational marijuana—especially when it comes to children and teenagers

Evidence-based information on how cannabis is being used to treat an array of ailments and conditions

The difference between various marijuana delivery systems, including edibles

Why those who may be genetically vulnerable to psychiatric disorder, including depression and anxiety, should exercise caution when using marijuana

How to talk to teens or young adults about recreational marijuana use in a way that brings you closer

How marijuana affects mood, productivity, and overall brain health

Long-term vs. short-term risks for teens, adults, and older adults

With a foreword by renowned psychiatrist and brain health expert Dr. Daniel Amen, The Brain on Cannabis reveals everything you ever wanted to know about marijuana so you can make informed decisions for yourself—and your loved ones.

Standard and Primary covers are widely available through general retailers. They often have higher print runs and can be cheaper, especially during sales.

In contrast, Direct Market (DM) and variant covers are primarily sold in comic shops. DM editions tend to have more limited availability and may be more valuable to collectors.

The main differences lie in artwork style, availability, price, and collector appeal. Ultimately, the choice between standard and variant covers depends on personal preference, budget, and individual collecting goals.

Comic book enthusiasts have various formats to choose from when collecting their favorite stories.
Here's a brief overview of the main types:

Omnibus

• Large, hardcover collections
• Usually contain complete runs or extensive story arcs
• Typically 800-1000+ pages
• Higher price point, often €100-€150

Oversized Hardcover (OHC)

• Similar dimensions to omnibus, but thinner
• Collect shorter runs or story arcs
• Usually 300-600 pages
• Priced between €30-€50

Hardcover (HC)

• Standard-sized hardcover books
• Collect 6-12 issues typically
• Similar dimensions to single issues, but with a hard cover
• Priced around €25-€35

Trade Paperback (TP)

• Softcover collections
• Standard comic book size
• Usually collect 4-6 issues
• Most affordable option, typically €15-€25

Other Formats

• Absolute Editions: Oversized, deluxe hardcovers (mainly DC Comics)
• Compendiums: Massive paperback collections
• Graphic Novels (OGN/GN): Original stories not previously released as single issues

The choice between these formats often depends on personal preference, budget, and collecting goals. Omnibus and OHC editions offer larger artwork and more content but at a higher price, while TPs provide a more affordable way to collect complete story arcs