Health
New York woman reports improved mental health after undergoing brain electrode therapy
- Emily Hollenbeck struggled with recurring depression, comparing it to a gravitational force that made even moving difficult.
- In pursuit of relief, she opted for an experimental treatment referred to as deep brain stimulation.
- The treatment delivers targeted electrical impulses to the brain, similar to a pacemaker, showing promise in research despite some setbacks.
Emily Hollenbeck lived with a recurring depression she likened to a black hole, where gravity felt so strong and her limbs so heavy she could barely move. She knew the illness could kill her. Both her parents had taken their lives.
She was willing to try something extreme: Having electrodes implanted in her brain as part of an experimental therapy.
Researchers say the treatment — deep brain stimulation, or DBS — could eventually help many of the nearly 3 million Americans with depression that resists other treatments. It’s approved for conditions including Parkinson’s disease and epilepsy, and many doctors and patients hope it will become more widely available for depression soon.
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The treatment gives patients targeted electrical impulses, much like a pacemaker for the brain. A growing body of research is promising, with more underway — although two large studies that showed no advantage to using DBS for depression temporarily halted progress, and some scientists continue to raise concerns.
Emily Hollenbeck, a deep brain stimulation therapy patient, demonstrates an EEG device that records brain activity as she reacts to short videos at Mount Sinai’s “Q-Lab” in New York on Dec. 20, 2023. (AP Photo/Mary Conlon)
Meanwhile, the Food and Drug Administration has agreed to speed up its review of Abbott Laboratories’ request to use its DBS devices for treatment-resistant depression.
“At first I was blown away because the concept of it seems so intense. Like, it’s brain surgery. You have wires embedded in your brain,” Hollenbeck said. “But I also felt like at that point I tried everything, and I was desperate for an answer.”
‘NOTHING ELSE WAS WORKING’
Hollenbeck suffered from depression symptoms as a child growing up in poverty and occasional homelessness. Her first major bout happened in college, after her father’s suicide in 2009. Another hit during a Teach for America stint, leaving her almost immobilized and worried she’d lose her classroom job. She landed in the hospital.
She calls it “an on-and-off pattern.” After responding to medication for a while, she’d relapse.
She earned a doctorate in psychology, even after losing her mom in her last year of grad school. But the black hole always returned. At times, she said, she thought about ending her life.
She said she’d exhausted all options, including electroconvulsive therapy, when a doctor told her about DBS three years ago.
“Nothing else was working,” she said.
She became one of only a few hundred treated with DBS for depression.
Hollenbeck had surgery while sedated but awake. Dr. Brian Kopell, who directs Mount Sinai’s Center for Neuromodulation, placed thin metal electrodes her brain’s subcallosal cingulate cortex, which regulates emotional behavior and is involved in feelings of sadness.
The electrodes are connected by an internal wire to a device placed under the skin in her chest, which controls the amount of electrical stimulation and delivers constant low-voltage pulses.
Doctors say electricity speaks the brain’s language. Neurons communicate using electrical and chemical signals.
In normal brains, Kopell said, electrical activity reverberates unimpeded in all areas, in a sort of dance. In depression, the dancers get stuck within the brain’s emotional circuitry. DBS seems to “unstick the circuit,” he said.
Hollenbeck said the effect was almost immediate. She only wishes the therapy had been there for her parents.
THE TREATMENT
The road to this treatment stretches back two decades, when neurologist Dr. Helen Mayberg led promising early research.
But setbacks followed. Large studies launched more than a dozen years ago showed no significant difference in response rates for treated and untreated groups.
Some later research, though, showed depression patients had stable, long-term relief from DBS when observed over years. Overall, across different brain targets, DBS for depression is associated with average response rates of 60%, one 2022 study said.
Mount Sinai’s team is one of the most prominent researching DBS for depression in the U.S. There, a neuroimaging expert uses brain images to locate the exact spot to place electrodes.
“We have a template, a blueprint of exactly where we’re going to go,” said Mayberg, a pioneer in DBS research and founding director of The Nash Family Center for Advanced Circuit Therapeutics at Mount Sinai.
Other research teams also tailor treatment, although methods differ slightly.
Abbott is launching a big clinical trial this year, ahead of a potential FDA decision.
But some doctors are skeptical, pointing to potential complications such as bleeding, stroke or infection after surgery.
Dr. Stanley Caroff, a University of Pennsylvania emeritus professor of psychiatry, said scientists still don’t know the exact brain pathways or mechanisms that produce depression. And it’s also tough to select the right patients for DBS, he said.
“I believe from a psychiatric point of view, the science is not there,” he said of DBS for depression.
MOVING FORWARD
Hollenbeck acknowledges DBS hasn’t been a cure-all; she still takes medicines for depression and needs ongoing care.
She recently visited Mayberg in her office and discussed recovery. “It’s not about being happy all the time,” the doctor told her. “It’s about making progress.”
That’s what researchers are studying now — how to track progress.
Recent research by Mayberg and others in the journal Nature showed it’s possible to provide a “readout” of how someone is doing at any given time. Analyzing the brain activity of DBS patients, researchers found a unique pattern that reflects the recovery process. This provides an objective way to observe people’s improvement and distinguish between impending depression and typical mood fluctuations.
Scientists are confirming those findings using newer DBS devices in a group of patients that includes Hollenbeck.
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She and other participants do their part largely at home. She gives regular brain recordings by logging onto a tablet and putting a remote above the pacemaker-like device in her chest. She answers questions about how she feels. And she records videos, analyzed for such things as facial expression and speech.
Occasionally, she goes into Mount Sinai’s “Q-Lab,” where scientists do quantitative research collecting all sorts of data, including how she moves in a virtual forest or makes circles with her arms. Like many other patients, she moves faster now that she’s doing better.
On a recent morning, Hollenbeck brushed her hair aside to reveal scars on her chest and head from DBS surgery — signs of how far she’s come.
She takes walks in the park and visits libraries, which were a refuge in childhood. She no longer worries that normal life challenges will trigger crushing depression.
“If I hadn’t had DBS, I’m pretty sure I would not be alive today,” she said.
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Eating too much salt has long been linked to high blood pressure, but new research suggests it could trick the immune system into prematurely aging the blood vessels.
A preclinical study recently published in the Journal of the American Heart Association has identified a biological chain reaction that links a salty diet to cardiovascular decay.
Scientists at the University of South Alabama observed that mice on a high-salt diet experienced rapid deterioration in their blood vessel function.
HIGH SALT INTAKE LINKED TO FASTER MEMORY DECLINE IN ONE GROUP, STUDY FINDS
After just four weeks of high sodium intake, the small arteries responsible for regulating blood flow lost their ability to relax, according to a press release.
The team found that the cells lining these vessels had entered a state of cellular senescence, a form of premature cellular aging in which cells stop dividing and release a mix of inflammatory signals that can damage surrounding tissue.
Excess salt has long been linked to high blood pressure, but a new study goes deeper into its effects on the cardiovascular system. (iStock)
The researchers tried to replicate this damage by exposing blood vessel cells directly to salt in a laboratory dish, but the cells showed no harmful effects.
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This suggests that salt isn’t directly causing damage to the vascular lining but that the real culprit may be the body’s own defense mechanism, the researchers noted.
Excess salt may trigger the immune system to release a molecule called interleukin-16 (IL-16), which acts as a messenger that instructs blood vessel cells to grow old before their time, according to the study.
Excess salt may trigger the immune system to release a molecule called interleukin-16, which acts as a messenger that instructs blood vessel cells to grow old before their time, according to the study. (iStock)
Once these cells age, they fail to produce nitric oxide, the essential gas that tells arteries to dilate and stay flexible.
To test whether this process could be reversed, the team turned to a class of experimental drugs known as senolytics.
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Using a cancer medication called navitoclax, which selectively clears out aged and dysfunctional cells, the researchers were able to restore nearly normal blood vessel function in the salt-fed mice, the release stated.
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By removing the decaying cells created by the high-salt diet, the drug allowed the remaining healthy tissue to maintain its elasticity and respond correctly to blood flow demands.
Excess salt may trigger the immune system into stopping the cells from dividing, the study suggests. (iStock)
The study did have some limitations. The transition from mouse models to human treatment remains a significant hurdle, the team cautioned.
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Senolytic drugs like navitoclax are still being studied for safety, and the team emphasized that previous trials have shown mixed results regarding their impact on artery plaque.
Additionally, the researchers have not yet confirmed whether the same IL-16 pathway is the primary driver of vascular aging in humans.
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Eating a diet high in fruits and vegetables was found to have a surprising link to lung cancer among younger non-smokers, early research suggests.
The observational study, led by Jorge Nieva, M.D., of the USC Norris Comprehensive Cancer Center at Keck Medicine, was presented this month at the American Association for Cancer Research (AACR) annual meeting in San Diego. It has not yet been peer-reviewed.
Researchers looked at dietary, smoking and demographic data for 187 patients who were diagnosed with lung cancer at age 50 or younger.
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They found that among non-smokers, there was a link between healthier-than-average diets – rich in fruits, vegetables and whole grains – and the chance of lung cancer development.
Young lung cancer patients ate more servings of dark green vegetables, legumes and whole grains compared to the average U.S. adult, the researchers found.
Eating a diet high in fruits and vegetables was found to have a surprising link to lung cancer among younger non-smokers, early research suggests. (iStock)
The researchers hypothesized that pesticides applied to conventionally grown produce could be a possible factor in the disease association.
“Commercially produced (non-organic) fruits, vegetables and whole grains are more likely to be associated with a higher residue of pesticides than dairy, meat and many processed foods,” according to Nieva. He also noted that agricultural workers exposed to pesticides tend to have higher rates of lung cancer.
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“There is a large subset of lung cancer patients whose disease is not caused by smoking,” Nieva told Fox News Digital.
The disease is becoming more common in non-smokers 50 and younger, especially women – despite the fact that smoking rates have been falling for decades, the researcher noted.
The researchers hypothesized that pesticides applied to conventionally grown produce could be a possible factor in the disease association. (iStock)
“These patients tend to have eaten much healthier diets before their diagnosis than the average American,” he went on. “We need to support research into understanding why Americans – and women in particular – who no longer smoke very much are still having lung cancer,” he said.
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The study did have some limitations, Nieva acknowledged, primarily that it relied on survey data and was limited by the participants’ memories of their food intake.
“Also, the survey participants were self-selected, and this could have biased the findings,” he told Fox News Digital.
“There is a large subset of lung cancer patients whose disease is not caused by smoking.”
The researchers did not test specific foods for pesticides, relying instead on average pesticide levels for certain types of food. Looking ahead, they plan to test patients’ blood and urine samples to directly measure pesticide levels, Nieva said.
Although the study shows only an association and does not prove that pesticides caused lung cancer, Nieva recommends that people wash their produce before eating and choose organic foods whenever possible.
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“This work represents a critical step toward identifying modifiable environmental factors that may contribute to lung cancer in young adults,” said Nieva. “Our hope is that these insights can guide both public health recommendations and future investigation into lung cancer prevention.”
“It is possible that the increased lung cancer risk could be due to pesticide exposure in whole farmed foods, but is by no means certain,” a doctor said. (AP Photo/Charlie Neibergall)
Dr. Marc Siegel, Fox News senior medical analyst, said the study is “interesting,” but that it “raises far more questions than it answers.”
“It is a small study (around 150) and observational, so no proof,” the doctor, who was not involved in the research, told Fox News Digital.
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“It is possible that the increased lung cancer risk could be due to pesticide exposure in whole farmed foods, but it is by no means certain,” Siegel went on. “How much exposure is needed? How much of it gets into food and in which areas? This requires much further study.”
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Kayla Nichols, communications director for Pesticide Action & Agroecology Network, a distributed global network, said the organization agrees with the study’s conclusion that more research should be done on the rise in lung cancer, particularly in individuals eating diets higher in produce and fiber.
“There is a large subset of lung cancer patients whose disease is not caused by smoking,” the researcher told Fox News Digital. (iStock)
“There is a bounty of existing research that already links pesticide exposure to increased risk of multiple types of cancers,” Nichols, who was also not involved in the study, told Fox News Digital. She called for more research on chronic, low-level exposures to pesticides, as well as more effective policies to protect the public from pesticide residues on food.
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The study was supported by the National Institutes of Health and the National Cancer Institute, as well as industry partners including AstraZeneca and Genentech, among others.
Fox News Digital reached out to several pesticide companies and trade groups for comment.
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