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Book synopsis

What if a beam of light could change your mind, your hunger, your choices, even your fate?

And what if the people controlling that light decided they should control you?

Dr. Barbara Millikan's revolutionary "Dream Diet" promises effortless weight loss through a stunning breakthrough in optogenetics, retraining the brain with color-coded light. For patients across Houston Masada Hospital, the results are miraculous. Pounds melt away. Lives transform. Confidence returns.

But beneath the success stories lies a far more dangerous truth.

When Dr. Georgia McCloud dies during a routine skydive, the tragedy raises quiet alarm bells. Soon after, more patients tied to the Dream Diet suffer mysterious accidents, sudden shifts in behavior, or devastating consequences that no one can explain.

Enter Dr. Joanie Katz, Head of Pediatric Oncology, who begins uncovering the disturbing reality behind the program:

a weaponized blend of neuroscience, genetic targeting, and behavioral control. A technology powerful enough not only to curb appetite... but to override human will.

And someone inside the institution is using it exactly for that.

As Joanie teams up with rising star investigator John Chu, they trace a web of scientific ambition, political influence, and dark personal motives stretching from Masada's laboratories to Washington power brokers-and to those who would kill to protect the secret.

The closer Joanie gets to the truth, the more dangerous the light becomes.

Because once the colors get inside your brain...

you no longer know which decisions are yours.

A gripping medical thriller about ethics, power, technology, and the thin line between healing and control-perfect for fans of Robin Cook, Michael Crichton, and Daniel Silva.

Book details

• Full title: Light
• Author: Leonard Zwelling
• Language: English
• Binding: Paperback
• Number of pages: 180
• EAN: 9798295619595
• ID: 51475482
• Publisher: Zwelling Consultants LLC
• Weight: 333 g
• Dimensions: 229 × 152 × 12 mm
• Date of publishing: 10. February 2026

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