Brain Chemical Can Make Rats Anxious or Less Depressed, Depending on How Long It's Given
GLP-1 is both anxiogenic and antidepressant; divergent effects of acute and chronic GLP-1 on emotionality.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Short-term GLP-1 activation causes anxiety, but long-term use reduces depression — in the same animals.
Most drugs have consistent effects over time. The fact that GLP-1 agonists can have opposite emotional impacts based solely on duration is highly unusual and suggests complex brain adaptation.
Practical Takeaways
If you're starting a GLP-1 drug and feel anxious at first, it might be temporary — your brain could adapt over weeks.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Short-term GLP-1 activation causes anxiety, but long-term use reduces depression — in the same animals.
Most drugs have consistent effects over time. The fact that GLP-1 agonists can have opposite emotional impacts based solely on duration is highly unusual and suggests complex brain adaptation.
Practical Takeaways
If you're starting a GLP-1 drug and feel anxious at first, it might be temporary — your brain could adapt over weeks.
Publication
Journal
Psychoneuroendocrinology
Year
2016
Authors
R. Anderberg, Jennifer E. Richard, C. Hansson, H. Nissbrandt, F. Bergquist, K. Skibicka