How do Antidepressants Work in the Brain? Delayed Onset vs. Rapid-Acting & Neuroplasticity

Current antidepressants can take weeks to improve symptoms of depression. New research explores reasons for this delay and provides clues to develop more rapid-acting drugs. Key Facts: Most antidepressants increase brain serotonin and norepinephrine, but their mood benefits are delayed for weeks. Researchers are investigating other mechanisms that could explain this lag. Two leading theories …

Read more

Navigating Mild Depression: Early Treatment, Psychotherapy, Antidepressants

Minor or subthreshold depression causes significant suffering and impairment, despite falling short of a major depression diagnosis. Effective early treatment is crucial to alleviate symptoms, improve functioning, and prevent progression to major depression. Both psychotherapy and antidepressants show efficacy, with antidepressants possibly having a slight advantage. In a shared decision-making model, patient preferences and values …

Read more

Dapoxetine (SSRI) May Treat Zika Virus via Antiviral Effects

Zika virus (ZIKV) is a mosquito-borne flavivirus that has emerged as a significant global health threat, but there are currently no approved antiviral drugs for treating ZIKV infection. A new study identifies the SSRI drug dapoxetine as a promising antiviral candidate against ZIKV by targeting and inhibiting its RNA-dependent RNA polymerase. Key Facts: Dapoxetine was …

Read more

Complex Effects of Antidepressants on Sleep & Depression: What You Should Know

Depression often comes with significant sleep disturbances that can persist even after other symptoms improve. Choosing an antidepressant that alleviates sleep problems may improve outcomes. Key Facts: Sleep complaints like insomnia occur in 60-90% of depression patients. Poor sleep is associated with higher suicide risk. Sedative antidepressants like mirtazapine quickly improve sleep, while SSRIs/SNRIs may …

Read more

Methamphetamine Dependence Linked to Parkinson’s Disease Risk

New research reveals that people with a history of methamphetamine dependence face a startling elevated risk of developing Parkinson’s disease or related movement disorders later in life. Key Facts: Individuals dependent on methamphetamine hadĀ almost 3 timesĀ the rate of Parkinson’s outcomes compared to matched controls from the general population. For women with methamphetamine dependence, the risk …

Read more

Antidepressants & Mania Risk in Bipolar Patients via Mitochondrial Effects

A new Mayo Clinic study is the first to clinically investigate whether antidepressants that impact mitochondrial function differently are associated with varying rates of treatment-emergent mania in bipolar disorder. The study found that antidepressants that increase mitochondrial energetics were associated with nearly double the rates of treatment-emergent mania compared to antidepressants that decrease mitochondrial energetics. …

Read more

Examining the Effects of Methylphenidate, Modafinil, Caffeine as Cognitive Enhancers in Healthy Adults

Stimulants like caffeine, methylphenidate, and modafinil have repeatedly been shown to boost cognitive abilities such as attention, focus, and memory in healthy individuals. A new study provides insight into the underlying brain mechanisms of this cognitive enhancement effect. Key Facts: All three stimulants (caffeine, methylphenidate, modafinil) enhanced performance across different memory tasks Stimulants increased functional …

Read more

Comparing Depression Treatments for Adults: Antidepressant Drugs, Talk Therapy (CBT), & Other Non-Drug Interventions

A large review of research found that talk therapy works about as well as antidepressant medications for treating depression. The study also looked at other non-drug options, like exercise. While benefits were similar across treatments, side effects differed. Key Facts: Cognitive behavioral therapy (CBT) achieved comparable results to medications for treating major depression. Remission rates …

Read more

Key Anticancer Peptides (ACPs): Advances in Cancer Treatment

Anti-cancer peptides (ACPs) offer a potentially more targeted way to detect and treat cancer compared to conventional therapies like chemotherapy. ACPs can discriminate between cancerous and healthy cells, resulting in fewer side effects. Key Facts: ACPs can actively penetrate and kill tumor cells or enhance the immune system’s response against tumors They have high specificity, …

Read more

BPC-157 Peptide May Treat CNS Disorders: Stroke, Schizophrenia, Spinal Cord Injury

The naturally occurring peptide BPC 157 shows potential to treat stroke, schizophrenia symptoms, and spinal cord injury in animal models. Key facts: BPC 157 rapidly counteracted stroke damage and led to full recovery of memory, coordination and movement in rats. The peptide alleviated schizophrenia-like symptoms and catalepsy in rodent models by modulating dopamine, glutamate and …

Read more