Parkinson's News

August 30, 2026

Top Headlines

Childhood Trauma May Leave a Lasting “Scar” Inside Brain Cells

Aug. 26, 2026 Early-life stress may physically alter how DNA is packaged in the brain, leaving stress-related genes primed to activate more easily years later. In mice, researchers were able to block this effect, preventing the heightened anxiety and stress ...

Women Taking Estrogen Had Fewer Signs of Alzheimer’s in Their Brains

Aug. 14, 2026 Women who used estrogen-only hormone therapy later in life were less likely to develop dementia and showed fewer signs of Alzheimer’s disease in their brains, according to a large study of more than 21,000 participants. Hormone therapy use was ...

Ozempic May Have Revealed the Brain’s Hidden “Craving Center”

Aug. 12, 2026 Ozempic-like drugs appear to weaken more than hunger—they may also reduce cravings for alcohol and other addictive substances. Scientists are increasingly tracing this effect to the lateral septum, a brain region that helps connect memories and ...

A Hidden Alzheimer’s Tipping Point May Decide Who Gets Dementia

July 26, 2026 Scientists have identified a possible tipping point that helps determine whether Alzheimer’s-related brain changes lead to dementia. The key may lie in how the brain’s immune cells respond to plaques and tau, offering a promising new target for ...

Yale Scientists May Have Found How Parkinson's Disease Spreads Through the Brain

July 11, 2026 Yale scientists discovered two neuron surface proteins that appear to help spread the toxic protein linked to Parkinson’s disease. Blocking these proteins in mice dramatically reduced disease ...

A Surprising Brain Discovery Is Forcing Scientists to Rethink Movement Disorders

July 1, 2026 A surprising discovery is overturning a long-held assumption about how the brain’s movement center works. Researchers found that two key cerebellar cell types—thought to be tightly linked—often ...

Common Pesticide Linked to More Than Double the Risk of Parkinson’s Disease

June 28, 2026 Scientists at UCLA have linked long-term exposure to the pesticide chlorpyrifos with a sharply increased risk of Parkinson’s disease. People exposed to the chemical near their homes were more than ...

Scientists May Have Found What Really Triggers Alzheimer’s Disease

June 18, 2026 Scientists may have uncovered a hidden trigger behind Alzheimer’s disease. Instead of plaques being the root cause, amyloid beta appears to interfere with tau, a protein that helps keep neurons functioning properly. This disruption could set off ...

A Hidden Gene Finally Explains This Rare Neurological Disorder

June 13, 2026 Scientists have uncovered a surprising new genetic cause of a rare movement disorder after analyzing nearly 3,000 patients with conditions affecting coordination and muscle control. The team identified mutations in a gene called CD99L2, previously ...

Researchers Block Key Protein That Helps Parkinson’s Spread Through the Brain

May 28, 2026 A newly identified protein called GPNMB may play a major role in helping Parkinson’s disease spread through the brain. Researchers discovered that immune cells release the protein in response to ...

Scientists Create Supercharged Vitamin K That Helps the Brain Heal Itself

May 27, 2026 Scientists in Japan have created powerful new vitamin K-based compounds that may help the brain regenerate lost neurons — a breakthrough that could one day change how diseases like Alzheimer’s and Parkinson’s are treated. By combining vitamin ...

Scientists Reversed Memory Loss by Recharging the Brain’s Tiny Engines

May 16, 2026 Researchers have shown for the first time that malfunctioning mitochondria — the cell’s energy generators — may directly cause cognitive decline in neurodegenerative diseases. By creating a new tool that temporarily boosts mitochondrial ...

Latest Headlines

updated 12:04pm EDT

Your Fingers May Hold a Secret of Human Brain Evolution

July 17, 2026 A study of 225 newborns suggests prenatal estrogen may have played a role in the evolution of larger human brains. Boys with finger-length patterns linked to higher estrogen exposure before birth ...

Common Pesticide May More Than Double Parkinson’s Disease Risk

Mar. 16, 2026 A new UCLA Health study suggests that long-term exposure to the pesticide chlorpyrifos may dramatically raise the risk of Parkinson’s disease. Researchers found that people living in areas with ...

Doctors Implant Dopamine-Producing Stem Cells in Parkinson’s Patients

Feb. 20, 2026 A groundbreaking clinical trial is testing whether specially engineered stem cells can help the brain restore its own dopamine production in people with Parkinson’s disease. Because the condition ...

Scientists Find a Clue to Human Brain Evolution in Finger Length

Feb. 10, 2026 Human evolution has long been tied to growing brain size, and new research suggests prenatal hormones may have played a surprising role. By studying the relative lengths of index and ring fingers — ...

Scientists May Have Found the Brain Network Behind Parkinson’s

Feb. 8, 2026 A new international study points to a specific brain network as the core driver of Parkinson’s disease. Scientists found that this network becomes overly connected, disrupting not just movement but ...

Doctors Test Brain Cell Implants to Restore Movement in Parkinson’s

Feb. 6, 2026 Scientists at Keck Medicine of USC are testing an experimental stem cell therapy that aims to restore the brain’s ability to produce dopamine, the chemical whose loss drives Parkinson’s disease. ...

A Hidden Brain Effect of Prenatal Alcohol Exposure

Feb. 6, 2026 New research using rhesus monkeys suggests that the brain’s relationship with alcohol may begin forming long before a person ever takes a drink. Scientists found that exposure to alcohol before ...

A Simple Blood Test Could Spot Parkinson’s Years Before Symptoms

Jan. 29, 2026 Scientists in Sweden and Norway have uncovered a promising way to spot Parkinson’s disease years—possibly decades—before its most damaging symptoms appear. By detecting subtle biological ...

Why Long COVID Brain Fog Seems So Much Worse in the U.S.

Jan. 28, 2026 A massive international study of more than 3,100 long COVID patients uncovered a striking divide in how brain-related symptoms are reported around the world. In the U.S., the vast majority of ...

Scientists Found a Survival Switch Inside Brain Cells

Jan. 27, 2026 Findings could create new opportunities to treat and study neurodegenerative diseasesScientists discovered that sugar metabolism plays a surprising role in whether injured neurons collapse or cling ...

Scientists Identify Hidden Protein Interaction Driving Parkinson’s Disease

Jan. 20, 2026 Researchers have identified a key molecular interaction that accelerates Parkinson’s disease by damaging the brain’s energy systems. They designed a new treatment that intercepts this harmful ...

Scientists Find ‘master Regulator’ That Could Reverse Brain Aging

Jan. 16, 2026 Researchers have identified OTULIN, an immune-regulating enzyme, as a key trigger of tau buildup in the brain. When OTULIN was disabled, tau vanished from neurons and brain cells remained healthy. ...

Parkinson’s Breakthrough Changes What We Know About Dopamine

Dec. 22, 2025 A new study shows dopamine isn’t the brain’s movement “gas pedal” after all. Instead of setting speed or strength, it quietly enables movement in the background, much like oil in an engine. ...

New Research Reveals How Everyday Cues Secretly Shape Your Habits

Dec. 10, 2025 Researchers uncovered how shifting levels of a brain protein called KCC2 can reshape the way cues become linked with rewards, sometimes making habits form more quickly or more powerfully than ...

A Common Nutrient Deficiency May Be Silently Harming Young Brains

Nov. 27, 2025 Scientists studying young adults with obesity discovered early indicators of brain stress that resemble patterns seen in cognitive impairment. The group showed higher inflammation, signs of liver ...

Your Body May Already Have a Molecule That Helps Fight Alzheimer’s

Nov. 27, 2025 Spermine, a small but powerful molecule in the body, helps neutralize harmful protein accumulations linked to Alzheimer’s and Parkinson’s. It encourages these misfolded proteins to gather into ...

Scientists Reveal a Hidden Hormone Switch for Learning

Nov. 21, 2025 Researchers uncovered how estrogen subtly reshapes learning by strengthening dopamine reward signals in the brain. Rats learned faster when estrogen levels were high and struggled when the ...

Scientists Find Hidden Brain Source That Fuels Dementia

Nov. 6, 2025 Weill Cornell researchers uncovered how free radicals from astrocyte mitochondria can fuel dementia. Using new compounds that target these radicals at their source, they slowed brain inflammation and ...

A Groundbreaking Brain Map Could Revolutionize Parkinson’s Treatment

Nov. 3, 2025 Duke-NUS scientists unveiled BrainSTEM, a revolutionary single-cell map that captures the full cellular diversity of the developing human brain. The project’s focus on dopamine neurons provides ...

Why the Brain’s GPS Fails With Age, and How Some Minds Defy It

Oct. 5, 2025 Stanford scientists found that aging disrupts the brain’s internal navigation system in mice, mirroring spatial memory decline in humans. Older mice struggled to recall familiar locations, while a ...

Resetting the Body’s Rhythm Could Protect the Brain from Alzheimer’s

Nov. 1, 2025 Researchers discovered that altering the body’s natural rhythm can help protect the brain from Alzheimer’s damage. By turning off a circadian protein in mice, they raised NAD+ levels and reduced ...

Scientists Finally See What Sparks Parkinson’s

Oct. 24, 2025 Researchers have finally seen and measured the tiny alpha-synuclein oligomers that may ignite Parkinson’s disease. With the ultra-sensitive ASA-PD imaging method, they captured these clusters in ...

Scientists Just Found a Molecule That Could Stop Parkinson’s in Its Tracks

Oct. 8, 2025 Researchers have designed a peptide that prevents the deadly misfolding of alpha-synuclein, the protein behind Parkinson’s and some dementias. In lab and animal tests, it stabilized the protein and ...

The Invisible Chemical in the Air That Could Be Raising Parkinson’s Risk

Oct. 3, 2025 A massive nationwide study has linked long-term exposure to the industrial chemical trichloroethylene (TCE) with a higher risk of Parkinson’s disease in older adults. Researchers examined over 1.1 ...

Harmful Mouth Bacteria May Trigger Parkinson’s Disease

Jan. 6, 2026 A familiar mouth bacterium best known for causing cavities may also be quietly influencing the brain. Scientists found that when this microbe settles in the gut, it produces compounds that can travel ...

Brain Fat, Not Just Plaques, May Be the Hidden Driver of Alzheimer’s

Sep. 24, 2025 For decades, scientists believed Alzheimer’s was driven mainly by sticky protein plaques and tangles in the brain. Now Purdue researchers have revealed a hidden culprit: fat. They found that brain ...

Supercharged Vitamin K Could Help the Brain Heal Itself

Oct. 14, 2025 Researchers have synthesized enhanced vitamin K analogues that outperform natural vitamin K in promoting neuron growth. The new compounds, which combine vitamin K with retinoic acid, activate the ...

Overworked Neurons Burn out and Fuel Parkinson’s Disease

Sep. 3, 2025 Overactivation of dopamine neurons may directly drive their death, explaining why movement-controlling brain cells degenerate in Parkinson’s. Mice with chronically stimulated neurons showed the ...

Dementia-Like Clumps Found in Cells Before Cancer Strikes

Sep. 22, 2025 Researchers found that pancreatic pre-cancer cells mimic dementia by forming clumps of proteins due to faulty recycling processes. These insights could shed light on why pancreatic cancer develops so ...

Scientists Reversed Memory Loss by Powering the Brain’s Tiny Engines

Aug. 12, 2025 Scientists have discovered a direct cause-and-effect link between faulty mitochondria and the memory loss seen in neurodegenerative diseases. By creating a novel tool to boost mitochondrial activity ...