Serotonin News and Research

Latest Serotonin News and Research

Can a Japanese diet help with depression? Large study says yes

A large cross-sectional study of 12,499 Japanese workers found that higher adherence to traditional or modified Japanese diets was associated with a lower prevalence of depressive symptoms. The findings suggest that culturally rooted dietary patterns may support mental well-being, especially among educated adults.

18 Jun 2025

Estrogen-responsive cells found to heighten gut pain in females

Researchers uncovered how estrogen heightens gut sensitivity in females by activating PYY-secreting L-cells, which stimulate serotonin release from EC cells. This paracrine circuit intensifies pain signaling and may explain the sex bias in conditions like IBS.

16 Jun 2025

Chronic hyponatremia causes anxiety-like behaviors by disrupting brain chemistry

Hyponatremia, or low blood sodium concentration, is typically viewed as a symptomless condition-until recently.

12 Jun 2025

Psilocybin rewires the brain for weeks, study finds

Psilocybin induces consistent and sustained changes in brain network connectivity, particularly between the hippocampus and default mode network, as shown using high-resolution fMRI in healthy adults. These neural effects, distinct from those produced by methylphenidate, may underlie the drug’s psychological benefits and were reproducible within individuals over time.

10 Jun 2025

Discovery of novel gene candidate sheds light on autism mechanisms

Autism spectrum disorder (ASD) is a condition affecting the brain's development and often affects the ability of a person to perceive sensory information and social cues and socialize with others.

21 May 2025

Study illuminates a general principle of neural processing in the brain’s serotonin system

Our lives are filled with binary decisions – choices between one of two alternatives. But what's really happening inside our brains when we engage in this kind of decision making?

25 Apr 2025

Single psychedelic dose boosts long-term cognitive flexibility in mice

University of Michigan researchers have found that certain psychedelic compounds improve the brain’s ability to adapt and flexibly learn new concepts over long periods.

22 Apr 2025

Gut imbalances in autism linked to brain and behavior changes

A new USC study suggests that gut imbalances in children with autism may create an imbalance of metabolites in the digestive system - ultimately disrupting neurotransmitter production and influencing behavioral symptoms.

14 Apr 2025

Can gut microbes help prevent Alzheimer’s?

A comprehensive review explores how gut microbiota diversity and fitness influence Alzheimer’s disease (AD) risk through neuroinflammation, amyloid and tau pathology, and blood-brain barrier dysfunction. It highlights the therapeutic potential of probiotics, dietary interventions, and omics technologies in restoring microbial balance and preventing neurodegeneration.

13 Apr 2025

Can psychedelics break compulsive eating habits in obesity?

A review by Oxford researchers explores how psychedelics like psilocybin and LSD may help disrupt compulsive eating behaviors in subsets of obese individuals. The paper outlines proposed neurobiological, epigenetic, and gut-brain mechanisms while emphasizing the need for human trials.

10 Apr 2025

Could your milk choice affect migraines?

Skim milk consumption is linked to a lower prevalence of migraines in U.S. adults, according to a large NHANES-based study. The association remained significant even after adjusting for lifestyle, diet, and demographic factors.

9 Apr 2025

New studies reveal how cytokines affect mood and behavior

Physicians have long observed a mystifying phenomenon: After a bout of infection or an autoimmune disease flare-up, some people experience prolonged mood swings, emotional dysregulation, and changes in behavior.

7 Apr 2025

Cornell researchers discover brain mechanisms behind psilocybin's effects

Psilocybin is the active ingredient that gives so-called "magic mushrooms" their hallucinogenic kick. It also has a therapeutic potential for treating depression.

4 Apr 2025

Study finds 24-hour fasting cycles enhance libido in male mice

Long-term fasting in 24-hour cycles increases the sex drive of male mice by lowering the concentration of the neurotransmitter serotonin in the brain.

28 Mar 2025

Flavonoids help regulate gut hormones and show promise in managing type 2 diabetes

Flavonoids show promise in treating type 2 diabetes mellitus by targeting the enteroendocrine system and regulating key gut hormones. They enhance insulin sensitivity, reduce oxidative stress, and influence appetite, glucose uptake, and hormone secretion.

26 Mar 2025

Women with premenstrual syndrome appear to find relief from symptoms with placebos

Women affected by premenstrual syndrome (PMS) appear to experience less intense and debilitating symptoms after taking placebo pills even when told they do not contain any active medication, suggests a study published in the open-access journal BMJ Evidence-Based Medicine.

25 Mar 2025

Cordycepin helps tired mice run longer and think better, study finds

Researchers show that cordycepin, a compound from Cordyceps militaris, can boost endurance and protect brain function in mice exhausted by excessive exercise.

10 Mar 2025

Does a vegetarian diet help or harm your brain? Here’s what the science reveals

A recent study in Nutrients examines the effects of vegetarian and vegan diets on neurological health, highlighting both benefits and potential nutrient deficiencies that impact cognitive function.

3 Mar 2025

The brain-gut microbiota axis: Impact on mental health & potential treatment avenues

To be decided by the editor

From Atlantia Clinical Trials 28 Feb 2025

Study explores link between antidepressant use and cognitive decline in dementia patients

New research suggests that antidepressants can accelerate cognitive decline in people with dementia. At the same time, some drugs appear to be less harmful than others, which can help doctors make better treatment decisions, according to the study published in BMC Medicine.

25 Feb 2025