Health
Orangutan in Indonesian rainforest treats own facial wound, say researchers: ‘Appeared intentional’
An orangutan in a protected Indonesian rainforest site who sustained a facial wound treated the injury himself, according to a study published in the journal Scientific Reports earlier this month.
The male primate chewed the leaves of a plant known for its anti-inflammatory, antibacterial and pain-relieving properties — then applied a paste he made from the chewed leaves to his facial wound, according to the study.
The researchers — from the Max Planck Institute of Animal Behavior in Germany and Universitas Nasional in Indonesia — observed the orangutan, named Rakus, over the course of several weeks in the summer of 2022.
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His wound closed within five days, he noted.
Less than a month later, it appeared to be fully healed with a barely visible scar, according to the published report.
An orangutan that sustained a facial wound, shown on the left, treated it himself, according to a study published in the journal Scientific Reports earlier this month. In the image on the right, his scar is just barely noticeable. (Armas Fitra & Safruddin & TNGL & KLHK & MPI & UNAS & YEL)
This is the first observed case of active wound treatment with a “known biologically active plant substance” applied by a male Sumatran orangutan in the wild.
“He began chewing the leaves without swallowing them and using his fingers to apply the plant juice from his mouth directly onto his facial wound,” the researchers noted in their published study.
“This behavior was repeated several times.”
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“Rakus then smeared the entire wound with the plant pulp until the red flesh was fully covered with the green leaf material. He then continued feeding on this plant,” they continued.
The orangutan was observed at the Suaq Balimbing research site in Indonesia.
It is a rainforest area that is home to approximately 150 critically endangered Sumatran orangutans, according to a news release.
“The behavior of the Sumatran flanged male orangutan reported here appeared to be intentional,” the researchers wrote.
“The entire process took a considerable amount of time.”
The study authors said the animal’s facial wound likely occurred during a fight with a neighboring male.
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Isabelle Laumer, a primatologist and cognitive biologist at the Max Planck Institute of Animal Behavior in Germany — one of the lead study authors — said in an email to Fox News Digital that the primate used a climbing plant called Fibraurea tinctoria.
The plant is known for its analgesic effects and is used in traditional medicine to treat conditions such as malaria.`
When asked how Rakus knew to use that plant to treat his own wound, Laumer replied, “It is possible that wound treatment with Fibraurea tinctoria emerges through accidental individual innovation.”
She added, “Individuals may accidentally touch their wounds while feeding on Fibraurea tinctoria and thus unintentionally apply the plant’s juice to their wounds … As Fibraurea tinctoria has potent analgesic effects, Rakus may have felt an immediate pain release, causing him to repeat the behavior several times and subsequently apply solid plant matter.”
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Rakus was not born at the research site, Laumer said.
Male orangutans typically disperse over wide distances when they reach puberty to establish a new home in another area, the expert noted.
“It’s possible that orangutans at his native area showed the behavior,” Laumer said.
Dr. Isabelle Laumer, a primatologist and cognitive biologist at the Max Planck Institute of Animal Behavior in Germany, was one of the lead study authors. (Alice Auersperg)
Similar types of self-treatment have been reported in the past with other primates.
Great apes have reportedly ingested certain plants to treat parasite infections and rubbed plant material on their skin to treat sore muscles, the researchers noted.
“Maybe we can learn something about human medicine from them.”
A group of chimpanzees in Gabon was also observed applying insects to wounds, although “the efficiency of this behavior is still unknown,” according to a news release.
These types of observations could help humans with treating potential health conditions, the researchers said.
The study authors said Rakus’ facial wound likely occurred during an altercation with a neighboring male. (Saidi Agam & TNGL & KLHK & MPI & UNAS & YEL)
“So far, I have heard several reports that people have actually learned about the medicinal properties of plants through observing animals,” Laumer told Fox News Digital.
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Dr. Robin Sturtz, a veterinarian who was not involved in the study, commented on the findings.
“It’s great that they caught these images,” she told Fox News Digital, but noted that the published report is observational.
The primate used a climbing plant called Fibraurea tinctoria, the researchers said, to help a facial wound to heal. (Saidi Agam & TNGL & KLHK & MPI & UNAS & YEL)
“We need to see if it’s repeated in this or another animal,” Sturtz told Fox News Digital.
“They are incredibly smart, though, and do learn quickly,” she added. “Maybe we can learn something about human medicine from them.”
Caroline Schuppli, one of the co-authors of the published study, noted in a news release that forms of active wound treatment are not limited to humans.
“[They] can also be found in both African and Asian great apes,” she stated.
“It is possible that there exists a common underlying mechanism for the recognition and application of substances with medical or functional properties to wounds, and that our last common ancestor already showed similar forms of ointment behavior.”
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Bipartisan push to invest in US national parks
Bret Baier moderates a discussion with Representatives Bruce Westerman (R-AR) and Jared Huffman (D-CA) about the ‘America the Beautiful’ initiative. This bipartisan effort seeks to modernize national parks ahead of America’s 250th anniversary, investing $1.9 billion annually. They emphasize national parks as common ground, beloved by all Americans, and crucial for our shared heritage.
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As the United States celebrates its 250th anniversary, many Americans are taking extra notice of all the things the country has to offer.
One such case is our access to vast wilderness. Today, the nation’s national parks are bustling tourist attractions, but they may also serve as vital resources for public health, experts say.
The most immediate health boost comes from physical movement.
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Guidelines from the Centers for Disease Control and Prevention show that regular physical activity is crucial for reducing obesity, improving sleep quality and lowering the risk of chronic illnesses.
The nation’s public lands include parks, trails and open spaces that encourage outdoor recreation and physical activity.
Beyond physical fitness, national parks contribute to documented mental health benefits. (iStock)
A review by the Community Preventive Services Task Force (CPSTF) found that implementing park, trail and greenway infrastructure directly increases physical activity across communities.
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When people walk, hike or bike through national parks, they are actively lowering their blood pressure, boosting immune function and reducing overall mortality, data shows.
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Beyond physical fitness, national parks may contribute to documented mental health benefits.
Previous research has demonstrated that direct exposure to nature significantly reduces physiological stress, lowers heart rates and decreases levels of stress hormones, like cortisol.
Engaging in educational activities and lifelong learning preserves brain function, improves memory and helps stave off age-related cognitive decline, research shows. (iStock)
This research also shows that natural environments boost attention span, combat mental fatigue and improve cognitive performance.
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Parks also act as natural venues for mindfulness and social connection.
Research shows that practicing mindfulness in quiet outdoor spaces lowers stress and mitigates feelings of loneliness and social isolation.
Research highlights that practicing mindfulness in quiet outdoor spaces lowers stress and mitigates feelings of loneliness and social isolation. (iStock)
Additionally, because parks protect cultural and historical resources, they can inspire lifelong learning.
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According to the data, engaging in educational activities and lifelong learning preserves brain function, improves memory and helps stave off age-related cognitive decline.
The National Park Service was established in 1916 to conserve the nation’s natural and historic resources for future generations, according to the organization.
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Today, that mission has expanded, as parks are recognized not only for their scenic and cultural value, but also the opportunities they provide for recreation and physical activity.
Screwworm outbreak threat to US livestock, prompts USDA action
Agriculture Secretary Brooke Rollins discusses USDA’s response to the New World Screwworm outbreak in Texas and New Mexico, assuring safe food supply on ‘The Bottom Line.’ VI LONG DEK: Agriculture Secretary Brooke Rollins addresses the alarming resurgence of New World Screwworm in Texas and New Mexico, emphasizing USDA’s aggressive containment efforts. She confirms the food supply remains safe while highlighting the administration’s focus on domestic fertilizer production, investing billions in new plants and infrastructure projects. Rollins celebrates 250 years of American agriculture and its vital role in national security.
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Doctors thought a 60-year-old man had metastatic brain cancer after scans revealed multiple tumors – but further testing revealed a shocking diagnosis.
The Spanish man, who was not named, was found to have a parasitic tapeworm larvae lodged in his brain — a case of neurocysticercosis, a parasitic infection of the central nervous system caused by the pork tapeworm (Taenia solium).
The patient, a lifelong resident of Castellón, Spain, had not traveled to any regions where the disease is endemic, according to the case report published in the CDC journal Emerging Infectious Diseases.
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The man had initially come to the hospital after suffering two weeks of progressive headaches and mild behavioral changes.
Radiologic findings from a study of autochthonous neurocysticercosis brain lesions mimicking metastatic disease. (Emerging Infectious Diseases)
CT scans showed multiple abnormal spots that looked like tumors that had spread from cancer elsewhere in the body, leading doctors to suspect advanced brain cancer.
However, whole-body scans, a colonoscopy and specialized imaging failed to identify cancer anywhere in the patient’s body, the case report stated.
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When doctors performed a more detailed MRI, they discovered several fluid-filled cysts in the brain, some of which contained the head of a tapeworm. A blood test confirmed the diagnosis of neurocysticercosis.
The man was treated with a combination of albendazole and praziquantel (two antiparasitic medications), as well as corticosteroids to reduce inflammation. He successfully recovered with no complications, according to the case report.
CT scans (not pictured) showed multiple abnormal spots that looked like tumors that had spread from cancer elsewhere in the body, leading doctors to suspect advanced brain cancer. (iStock)
The authors suggested that the patient may have gotten the infection after accidentally ingesting microscopic tapeworm eggs years earlier.
The exposure may have occurred while working a construction job with migrant coworkers from regions where neurocysticercosis is endemic.
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People can catch the pork tapeworm in two different ways. Eating undercooked infected pork usually leads to an intestinal tapeworm, but accidentally swallowing the parasite’s eggs — typically through food or water contaminated with feces — can send the larvae into the bloodstream, where they may form cysts in the brain and other organs. This can cause the disease the patient in the case report acquired.
A photomicrograph shows histopathologic features in a brain tissue specimen from a case of neurocysticercosis caused by the pork tapeworm Taenia solium. The image documents pathological changes associated with this parasitic infection. (Smith Collection/Gado/Getty Images)
As this was just a single case, the source of transmission could not be proven, the researchers acknowledged, and the findings cannot be generalized to a wider population. The report shows that there is a possibility of local transmission in non-endemic settings, but cannot establish how often this occurs.
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In the United States, less than 2% of neurocysticercosis cases are considered domestically acquired, according to the case report.
A prior systematic review identified only 18 confirmed locally acquired cases in Western Europe between 1990 and 2011.
The authors suggested that the patient may have gotten the infection after accidentally ingesting microscopic tapeworm eggs years earlier. (Associated Press)
In some cases, NCC can cause serious symptoms, including seizures, stroke, neurological deficits and cognitive decline.
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“Our case emphasizes that the absence of travel history should not preclude NCC from the differential diagnosis of multiple ring-enhancing brain lesions, even in regions where metastatic cancer is statistically much more likely,” the researchers concluded in the case study.
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Detecting the worms earlier could have prevented “unnecessary invasive oncologic procedures and led to prompt, targeted antiparasitic therapy,” they added.
Fox News Digital reached out to the researchers for comment.
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A rare and potentially fatal tick-borne illness currently spreading across the United States can be traced back to a 1958 case involving a young boy on a farm.
The disease, known as Powassan virus, was named for the Ontario town near where it was first discovered.
At the time of his death, Lincoln Byers, a 4-year-old living in Canada, had a condition that medical professionals could not explain, the Boston Globe reported.
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Years later, researchers discovered a tick harboring the same virus on a dead squirrel, finally providing an answer to the tragedy, but foreshadowing a growing public health challenge.
While once considered an obscure medical anomaly, Powassan virus cases have reached historic highs in the U.S., data show.
Powassan is most prevalent from late spring through mid-fall, when tick populations peak and outdoor activity increases. (iStock)
According to the Centers for Disease Control and Prevention, 76 Americans were diagnosed with the virus in 2025, the highest annual total on record. Previously, the U.S. averaged just seven to eight diagnoses each year.
The virus is primarily transmitted to humans through the bite of an infected woodchuck tick or deer tick. Like other tick-borne illnesses, Powassan is most prevalent from late spring through mid-fall, when tick populations peak and outdoor activity increases.
Public health experts warn that the virus’s transmission speed makes it uniquely dangerous.
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“One of the most dangerous aspects is its rapid transmission,” Dr. Jorge P. Parada, a medical advisor at the National Pest Management Association in Chicago, told Fox News Digital.
“Powassan can be transmitted in as little as 15 minutes after the infected tick bites, while Lyme disease usually requires a 36- to 48-hour attachment time for transmission.”
Powassan carries an incubation period of one to four weeks before symptoms manifest. (iStock)
Parada noted that while Powassan remains rare compared to Lyme disease, it poses clinical concern.
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Dr. Marc Siegel, senior medical analyst for Fox News, confirmed that the virus transmits significantly faster than Lyme disease. He noted that Powassan carries an incubation period of one to four weeks before symptoms manifest.
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Initial symptoms include fever, headache, vomiting and weakness, though some infected individuals remain asymptomatic, according to the CDC.
There are currently no specific medications or vaccines to treat or prevent Powassan virus. (iStock)
The virus can progress to severe neurological complications, including encephalitis (inflammation of the brain) and meningitis (inflammation of the spinal cord membranes).
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In severe cases, patients may experience confusion, loss of coordination, difficulty speaking and seizures, per the CDC.
“One of the most dangerous aspects of it is its rapid transmission.”
Approximately 10% of Powassan cases involving severe neurological disease are fatal, and many survivors experience long-term neurological issues.
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There are currently no specific medications or vaccines to treat or prevent Powassan virus; clinical care is limited to supportive therapy, such as intravenous fluids and respiratory support.
While anyone can develop severe illness, those at the highest risk include children, older adults and immunocompromised individuals, experts caution.
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