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Use of psychotropics increases already in the early stages of Parkinson’s disease

A recent study from the University of Eastern Finland found that people with Parkinson's disease are using psychotropics more frequently than controls, even before diagnosis. The use of psychotropic medications increases as the disease progresses, reflecting emerging non-motor symptoms and worsening disease progression.

SourceUniversity of Eastern Finland·JournalBritish Journal of Clinical Pharmacology·DateApr 21, 2026

Risk of drug poisoning if gabapentinoid painkillers taken with other medications

A new study by University College London found that gabapentinoids, prescribed for chronic pain, double the risk of hospitalization for drug poisoning when combined with benzodiazepines or opioids. The risk persists even after starting gabapentinoid treatment, suggesting they may not be an effective solution to reduce poisoning risks.

SourceUniversity College London·JournalPLOS Medicine·TypeObservational study·DateApr 16, 2026

Opioids and other drugs accumulating in freshwater fish

A new study reveals that freshwater fish are accumulating antidepressants, opioids, and other drugs of abuse in their bodies, which can alter their behavior, development, and reproduction. The research uses a novel analytical method to detect these substances in small fish living in rivers receiving urban wastewater.

SourceUniversity of Waterloo·JournalEnvironmental Pollution·TypeExperimental study·DateApr 16, 2026

Anti-amyloid Alzheimer’s drugs show no clinically meaningful effect

A new Cochrane review of 17 clinical trials found that anti-amyloid Alzheimer's drugs have no significant impact on cognitive decline or dementia severity, but may increase the risk of brain swelling and bleeding. The evidence suggests that these drugs are unlikely to provide clear benefit to patients.

SourceCochrane·JournalCochrane Database of Systematic Reviews·TypeSystematic review·DateApr 15, 2026

New drug combination doubles down on Alzheimer's treatments

Researchers at the University of Waterloo have discovered a safer and more effective way to treat Alzheimer's disease by combining anti-amyloid antibodies with molecules found in grapes, berries, peanuts, and turmeric. This combination approach neutralizes amyloid protein clumping in the brain, leading to better outcomes.

SourceUniversity of Waterloo·JournalACS Chemical Neuroscience·TypeExperimental study·DateApr 9, 2026

US trends in long-term opioid therapy

Long-term opioid therapy prescription rates declined in the US from 2015 to 2023, despite a growing population of older adults receiving these treatments. Approximately 4-5 million patients were prescribed long-term opioids in 2023, with Medicare covering a larger proportion, raising concerns about safety.

SourceJAMA Network·JournalJAMA·DateApr 8, 2026

Study: Long-term opioid prescribing fell, but millions still receive extended opioid therapy

A recent study found a decline in long-term opioid prescribing in the US between 2015 and 2023, with a 24.3% decrease in patients receiving extended therapy. However, approximately 4.2 million US patients still received opioids for 90 days or longer in 2023, indicating the need for improved treatment models for chronic pain management.

Mirtazapine for methamphetamine use disorder

In this randomized clinical trial, mirtazapine effectively reduced methamphetamine use in adults with methamphetamine use disorder. The study's findings have important implications for the treatment of this condition, which currently lacks approved pharmacotherapies.

SourceJAMA Network·JournalJAMA Psychiatry·DateApr 1, 2026

Bleeding events largely outnumber thromboembolic events in patients with cancer during the last phase of life, most patients continue antithrombotic therapy

A study found that cancer patients during the last phase of life experienced more bleeding events than thromboembolic events. Most patients continued their antithrombotic therapy despite increased bleeding risk, with over 28% experiencing at least one bleeding episode.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateMar 23, 2026

New biochar-based technology boosts antibiotic removal from water using low-energy ultrasound

Researchers developed a novel composite material that combines biochar, carbon nanotubes, and iron carbide, significantly accelerating the breakdown of antibiotics in water. The system achieved up to 15 times higher removal rates compared to conventional materials, while requiring substantially less energy.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalBiochar·TypeExperimental study·DateMar 20, 2026

NRG Oncology/Alliance trial finds immunotherapy did not improve survival when added to chemoradiotherapy for small cell lung cancer

The NRG-LU005 trial found that immunotherapy atezolizumab did not improve survival for patients with limited-stage small cell lung cancer when added to chemoradiation. Twice-daily radiation therapy, however, was associated with improved survival in this population.

SourceAlliance for Clinical Trials in Oncology·JournalJournal of Clinical Oncology·TypeRandomized controlled/clinical trial·DateMar 12, 2026

Maternal acetaminophen use and child neurodevelopment

A study in Taiwan found a positive association between maternal prenatal acetaminophen use and increased risk of attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorders (ASDs) in offspring. However, associations were not observed in sibling-matched analyses, suggesting unaddressed sources of bias.

SourceJAMA Network·JournalJAMA Pediatrics·DateMar 9, 2026

Doubling of new prescriptions for ADHD medications among adults since start of COVID-19 pandemic

New prescriptions for stimulants among adults with ADHD more than doubled since the COVID-19 pandemic, with the largest increases among younger adults. The trend is driven by improved recognition and treatment of ADHD in adulthood, as well as increased access to care and virtual health services.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateMar 9, 2026

People with COPD commonly misuse medications

New studies reveal that medication nonadherence in people with chronic obstructive pulmonary disease (COPD) is often caused by affordability and limited understanding of medications. This can lead to quicker lung function decline, more frequent exacerbations, and a higher symptom burden.

SourceCOPD Foundation·JournalChronic Obstructive Pulmonary Diseases Journal of the COPD Foundation·DateMar 4, 2026

Sugar comforts newborn babies during painful procedures

A new Cochrane review found that sucrose can effectively reduce pain in newborn babies during painful procedures like venepuncture. The study examined 29 clinical trials involving over 2,700 babies and showed that a small amount of sucrose given before the procedure significantly reduces pain when combined with non-nutritive sucking.

SourceCochrane·JournalCochrane Database of Systematic Reviews·TypeSystematic review·DateMar 3, 2026

Low-dose lithium for mild cognitive impairment

Researchers investigated low-dose lithium as a potential treatment for mild cognitive impairment in a pilot clinical trial. The study found that none of the primary outcomes met the significance threshold, but effect size estimates suggest potential benefits for future trials.

SourceJAMA Network·JournalJAMA Neurology·DateMar 2, 2026

Aspirin not a quick fix for preventing bowel cancer

Daily aspirin use offers no quick or reliable way to prevent bowel cancer in the general population, increasing risk of serious bleeding. However, it may have potential long-term benefits for people at high genetic risk of colorectal cancer.

SourceCochrane·JournalCochrane Database of Systematic Reviews·TypeSystematic review·DateFeb 25, 2026

GLP-1 drugs combined with healthy lifestyle habits linked with reduced cardiovascular risk among diabetes patients

A new study by Harvard T.H. Chan School of Public Health and the Department of Veterans Affairs Boston Healthcare System found that using GLP-1 receptor agonists in combination with adhering to healthy lifestyle habits significantly reduces cardiovascular risk among individuals with type 2 diabetes. The study showed that these two stra...

SourceHarvard T.H. Chan School of Public Health·JournalThe Lancet Diabetes & Endocrinology·TypeObservational study·DateFeb 25, 2026

Flipping and reversing mini-proteins could improve disease treatment

A team of researchers from Penn State and The University of Minnesota Medical School found that chemically changing the structure of a naturally occurring peptide can make it more stable and effective against antibiotic-resistant bacteria. The new shape imparted by the modified molecule allows it to physically degrade bacterial cell me...

SourcePenn State·JournalNature Communications·TypeExperimental study·DateFeb 13, 2026

New-onset nonarteritic anterior ischemic optic neuropathy and initiators of semaglutide in US veterans with type 2 diabetes

A nationwide cohort study found that semaglutide initiators had a significantly higher risk of developing nonarteritic anterior ischemic optic neuropathy compared to sodium-glucose cotransporter-2 inhibitor initiators. The absolute risk was low, but clinicians and patients should be aware of this rare but evident increased risk.

SourceJAMA Network·JournalJAMA Ophthalmology·DateFeb 12, 2026