Dopamine News and Research

Latest Dopamine News and Research

Excessive screen time linked to manic symptoms in teens

Researchers examine the association between excessive screen time and manic symptoms in early adolescence.

25 Feb 2025

New research shows why limits on working memory exist

Working memory is what allows humans to juggle different pieces of information in short-term scenarios, like making a mental grocery list and then going shopping or remembering and then dialing a phone number.

24 Feb 2025

Can chili peppers improve ADHD symptoms? Scientists explore their gut-brain connection

Chili peppers may influence ADHD symptoms by modulating the gut microbiome, with capsaicin, vitamin C, and omega-3 fatty acids showing potential effects on neurotransmitters and inflammation. However, clinical trials are needed to confirm their efficacy.

20 Feb 2025

Mice study offers insight into how the brain balances risk and reward

Every day, our brain makes thousands of decisions, big and small. Any of these decisions - from the least consequential such as picking a restaurant to the more important such as pursuing a different career or moving to a new city - may result in better or worse outcomes.

19 Feb 2025

Cholesterol metabolite linked to Parkinson's disease development in mice

Researchers led by Zhentao Zhang at Wuhan University, China have discovered a cholesterol metabolite that plays a critical role in the development of Parkinson's disease in mice.

18 Feb 2025

New review maps the impact of reproductive hormones on neurological health

A comprehensive review published today in Brain Medicine by leading neuroendocrinologist Professor Hyman M. Schipper from McGill University's Department of Neurology and Neurosurgery maps out the extensive influence of reproductive hormones on neurological health and disease.

18 Feb 2025

Diabetes drugs may boost brain health but experts warn of risks

Researchers reviewed 374 studies to explore how GLP-1RAs, originally for diabetes, may impact brain health, finding potential benefits for dementia and addiction but inconsistent results for mood disorders.

16 Feb 2025

New research advances understanding of Parkinson's disease stages

From a study that analyzed brain images of more than 2,500 people with Parkinson's disease in 20 different countries, scientists were able to identify patterns of neurodegeneration and create metrics for each of the five clinical stages of the disease.

12 Feb 2025

Scientists discover brain mechanism behind nicotine withdrawal

According to the World Health Organization (WHO), over 22% of the global population smokes, with more than 9 million smoking-related deaths reported annually.

12 Feb 2025

Study reveals copper may raise fibromyalgia risk, iron could offer relief

A new study using Mendelian randomization suggests that higher copper levels may increase fibromyalgia risk, while iron may have a protective effect.

3 Feb 2025

How long does it take to form a healthy habit?

The study highlights that forming health habits varies widely, with interventions and enjoyment playing vital roles in achieving long-term behavior change.

28 Jan 2025

MIT breakthrough enables fast and uniform protein labeling in 3D tissues

A new technology developed at MIT enables scientists to label proteins across millions of individual cells in fully intact 3D tissues with unprecedented speed, uniformity, and versatility.

24 Jan 2025

Study offers new insight into how nature and nurture shape aggression in males

Like humans, mice will compete over territory and mates, and show increased confidence in their fighting skills the more they win.

24 Jan 2025

Brain signals involved in reward learning may hold key to personalized depression treatments

In a study in the Journal of Affective Disorders, Fralin Biomedical Research Institute scientists Pearl Chiu and Brooks Casas investigate how brain signals involved in reward learning might help personalize depression treatment.

22 Jan 2025

Study reveals biotin’s potential to mitigate manganese-induced brain damage

While manganese is an essential mineral involved in many bodily functions, both deficiency and excessive exposure can cause health issues.

21 Jan 2025

Immune system changes may predict antipsychotic resistance in schizophrenia Scientis...

Researchers from the National Healthcare Group (NHG)'s Institute of Mental Health (IMH) and Agency for Science, Technology and Research (A*STAR) have made strides in understanding the connection between the immune system and resistance to antipsychotic medications in schizophrenia, using changes in immune cell populations to predict potential treatment resistance and initiate the most appropriate treatment sooner.

16 Jan 2025

Grifols receives grant for early Parkinson's disease biomarker discovery

Grifols, a global healthcare company and leading producer of plasma-derived medicines, today announced it has received a grant from The Michael J. Fox Foundation for Parkinson’s Research (MJFF) to identify plasma-based biomarkers that could indicate a person’s likelihood of developing Parkinson’s disease (PD) many years before clinical diagnosis.

15 Jan 2025

High-fat diet linked to impulsive behaviors and brain changes

Researchers examines how a high-fat diet modifies inhibitory control.

14 Jan 2025

Monoamine neurotransmitters emerge as architects of brain physiology

A collaborative effort between Mount Sinai and Memorial Sloan Kettering Cancer Center has shed valuable light on how monoamine neurotransmitters such as serotonin, dopamine, and now histamine help regulate brain physiology and behavior through chemical bonding of these monoamines to histone proteins, the core DNA-packaging proteins of our cells.

9 Jan 2025

Bioactive compounds in coffee and tobacco may combat Parkinson’s disease

Tobacco and coffee contain bioactive compounds that may reduce Parkinson's disease risk by targeting key pathways such as MAO B inhibition, α-synuclein aggregation, and neuroinflammation.

7 Jan 2025