Years of Prozac Alter Lipids in Young Monkeys’ Brains: Study

Long-term administration of the antidepressant fluoxetine was tied to decreased concentrations of about 100 different brain lipids in adolescent macaques, hinting at a potential mechanism underlying the drug’s rare but severe side effects.

Written byJames M. Gaines
| 4 min read
a brain surrounded by pills

Register for free to listen to this article
Listen with Speechify
0:00
4:00
Share

ABOVE: © ISTOCK.COM, VIKTORIA RUBAN

Young macaques given the popular antidepressant fluoxetine for two years had lower levels of certain fatty acids and other lipids in their brains than ones not given the drug, finds a recent study (July 28) in International Journal of Molecular Sciences. The findings may help explain why younger people sometimes experience adverse side effects when taking the drug.

Fluoxetine, often sold under the brand name Prozac, is a prescription medication that can be given to adults as well as children as young as 7 or 8 years old. But there’s not good literature on the long-term impact of fluoxetine and other psychoactive drugs that we use to treat adult symptoms in the young brain, says Bita Moghaddam, a behavioral neuroscientist at Oregon Health & Science University who was not involved in the study, “so [it] was really nice to see that there is this level ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here

Related Topics

Meet the Author

  • james m gaines

    James Gaines is a freelance science journalist in Seattle, Washington. He got his start at City University in London, where he received a master's degree in science journalism. Since then, his writing has appeared in outlets such as Nature, Undark, Atlas Obscura, and Knowable Magazine. He also works as a fact-checker and a regular contributor to the YouTube channel SciShow. He once had an alligator snapping turtle as a pet for about two hours.

    View Full Profile
Share
July Digest 2025
July 2025, Issue 1

What Causes an Earworm?

Memory-enhancing neural networks may also drive involuntary musical loops in the brain.

View this Issue
Screening 3D Brain Cell Cultures for Drug Discovery

Screening 3D Brain Cell Cultures for Drug Discovery

Explore synthetic DNA’s many applications in cancer research

Weaving the Fabric of Cancer Research with Synthetic DNA

Twist Bio 
Illustrated plasmids in bright fluorescent colors

Enhancing Elution of Plasmid DNA

cytiva logo
An illustration of green lentiviral particles.

Maximizing Lentivirus Recovery

cytiva logo

Products

The Scientist Placeholder Image

Sino Biological Sets New Industry Standard with ProPure Endotoxin-Free Proteins made in the USA

sartorius-logo

Introducing the iQue 5 HTS Platform: Empowering Scientists  with Unbeatable Speed and Flexibility for High Throughput Screening by Cytometry

parse_logo

Vanderbilt Selects Parse Biosciences GigaLab to Generate Atlas of Early Neutralizing Antibodies to Measles, Mumps, and Rubella

shiftbioscience

Shift Bioscience proposes improved ranking system for virtual cell models to accelerate gene target discovery