Friday, September 5, 2025

Polaris of Enlightenment

Crowberry – anonymous northern superberry

Published 21 July 2024
– By Editorial Staff
Crowberry wine is said to have been made in the Nordic countries as early as the 12th century.
5 minute read

This black berry may not be as tasty as blueberries, but it is just as healthy. With high levels of fiber, antioxidants, and vitamin C, the crowberry is a super berry in all its glory that is both widely eaten and used in folk medicine.

The crowberry is a black berry similar to the blueberry, but smaller, harder and with larger seeds. Its leaves are coniferous, making it easy to recognize and not to be confused with other plants. They are found in most parts of the country and are almost as common as blueberries, but unlike blueberries, crowberries do not stain hands and clothing. The berry can be picked from July until the first snow falls. Overripe berries can be picked in the spring.

Not food for crows

According to archaeologists, crowberries were one of the earliest plants to appear after the Ice Age. The oldest traces found in fecal remains are 10,000 years old and were found in Balltorp outside Gothenburg. In Sweden, however, there is a difference between where they have been eaten most. In the northern parts of the country, with a border at Gävle and Falun, crowberries are said to have been eaten a lot. But not so much in the southern parts. The reason may be that there are two different types of crowberries, a northern and a southern variety. The northern berries are said to be tastier, but it is difficult to tell them apart with the naked eye.

The name does not imply that it is a berry that the crow eats, but rather that it is something that the bear likes to eat along with blueberries. Historically, however, the crow was considered unlucky, and darker berries were often considered inedible, which may be the reason for the name “crowberry”. The crow also appears in the name of the berry in Swedish, kråkbär, Finnish variksenmarja, and German krähenbeere.

Although the crow may not eat the berries, other birds do. Because the berries do not spoil during the winter, they are an important food source for returning migratory birds. Smaller animals such as stoats also like to eat them.

The berries have been very important in Sami culture, where they were eaten in soups or with hot reindeer fat. It was also common to mix crowberries with milk or whey, according to Finnish national broadcaster Yle. According to a book on the Finnish Scots written by the late ethnographer Samuli Paulaharju, crowberries were the only berries that the Sami people gathered for the winter.

They were also widely eaten in Finland and Norway. In Norway, they may also be called “silence berries” or “comfort berries”, probably because they were a source of comfort when there was nothing else available for a dry throat while hiking in the forest, according to the Norwegian Helsemagasinet. The berries were also often used to make ink or paint for clothing or fishing nets.

Folk medicine

Crowberries have been used as a diuretic and laxative in folk medicine, where they have been called “pee berries” in Norway. Children are said to have been warned not to eat them in the evening because of the risk of bedwetting. They were also used to treat scurvy and mouth ulcers, which could be treated by gargling decoctions of the berries. According to Skogsskafferiet, a tea made from unripe green berries was used to treat kidney stones.

They have also been used to treat headaches, fever, and fatigue.

Health benefits

Along with blueberries, crowberries contain the highest levels of anthocyanin, an antioxidant and the substance that gives the berries their dark color. A 2008 Japanese study identified thirteen different anthocyanins in crowberries. Researchers analyzed the total anthocyanin content of crowberries, blueberries, and eight other common berries and found that crowberries had the highest levels.

They also contain flavonoids, which also act as antioxidants. Antioxidants can, for example, protect against oxidative stress caused by free radicals.

According to a Finnish study, crowberries grown in areas prone to early frost have higher levels of anthocyanins. They also contain more vitamin C than lingonberries.

Crowberries are also high in fiber, more than most imported fruits. The berries are also said to have anti-inflammatory and antibacterial properties.

Crowberry Uses

Crowberries can taste a bit rough, bitter and sour, but can be eaten fresh in the forest, they are perfect if you need some extra energy on a hike. However, they should taste better when pickled or juiced. They should also be good in jams or juices with other berries, such as currants. The leaves can be used to make tea. If you want to preserve the benefits of the berries a little longer, you can make unheated juice, as Anu Tossavainen does. She makes the juice without boiling it and sweetening it with honey instead of sugar.

– You can’t ruin your day if you start it with a glass of crowberry juice, she says, according to Yle.

You can also dry the berries and use them in porridge or a smoothie. You can also freeze the berries and use them later. Like lingonberries, you can also keep fresh berries in water in a jar in the fridge, where they will stay fresh longer.

Crowberry wine

It is said that crowberry wine has been made in Norway since the 12th century, during the reign of King Sverre Sigurdsson. It is said that German merchants imported so much wine to Norway that it became as cheap as beer, which also increased the number of drunks in the country. King Sverre found this problematic and told the Norwegians that it was the people’s duty to look after themselves and maintain public order, which the people listened to and the German merchants were no longer allowed to import wine. The king, who is said to have had a good knowledge of nature after growing up in the Faroe Islands, suggested that instead of importing German wine, they should make their own from crowberries. This is still the case today, and several Norwegian companies produce crowberry wine. Crowberries can also be used to flavor spirits.

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Memory problems increase among Nordic children

Published 27 August 2025
– By Editorial Staff
Memory-related medical visits have tripled in a short time among children aged 5-14 in Sweden.
2 minute read

More children and young people are seeking medical care for memory problems in both Sweden and Norway. The Swedish Radiation Protection Foundation believes the increase may be linked to radiation exposure, which has also increased during the same period.

In Norway, there has been an increase in recent years in the number of people seeking medical care for memory problems, not only among adults but also among children. Between 2019 and 2024, for example, the number of doctor visits related to memory problems more than doubled, from 41,722 doctor visits to 98,910 doctor visits in 2024. Among children aged 5-14, visits had nearly tripled.

I have never seen such a dramatic increase in these figures before, says Richard Aubrey White, researcher and statistician at the Norwegian Institute of Public Health (FHI), to Norwegian state broadcaster NRK.

In Sweden too, the number of doctor visits regarding memory problems has increased, both among children and adults. Memory problems, which can be classified as mild cognitive impairment, is a diagnosis found under diagnostic code R41. In 2011, 577 children were registered with diagnosis R41 as the primary diagnosis; by 2024, the number had increased to 5,975.

Microwave radiation

The Swedish Radiation Protection Foundation believes the increase may be due to increased exposure to microwave radiation among people, pointing out that repeated research has shown, for example, that radiation has a harmful effect on memory.

Repeated scientific studies have also shown that people exposed to elevated levels of this radiation have an increased occurrence of various symptoms, called microwave syndrome, where impaired memory is one of the most common symptoms“, writes the Swedish Radiation Protection Foundation.

Cell towers associated with worse memory

Even in case studies examining the health effects of 5G, impaired memory tends to be one of the most commonly reported effects. Reports of impaired memory, concentration difficulties, and headaches are also common when living near cell towers.

The Swedish Radiation Protection Foundation notes that radiation has increased dramatically during the same period as the increase in doctor visits for memory problems has occurred. At the same time, mobile phones have begun to be used more extensively by both children and adults during the same period.

The increased memory problems, both among children and adults, are thus an expected effect resulting from the increase in people’s exposure to microwave radiation”.

Colorectal cancer affects more young Swedes

Published 23 August 2025
– By Editorial Staff
The study also shows that mortality has increased among both younger and older patients for up to ten years after cancer diagnosis.
2 minute read

Colorectal cancer is increasing among young people in Sweden, according to research from the Karolinska Institute. Researchers suggest that lifestyle factors, such as sedentary behavior and obesity, may be the cause.

In the study, which was published in Annals of Oncology, researchers examined over 135,000 Swedish patients who had colorectal cancer between 1993 and 2019.

The results show that the number of younger people under 50 who develop this form of cancer has increased over the past three decades. For rectal cancer, the number of new cases among younger people has increased by 2.04 percent per year, and for left-sided and right-sided colon cancer, the increase is 2.41 and 2.64 percent per year respectively. Overall, the disease has become two to three times more common among younger people.

Detected later in younger patients

Younger patients also more often had metastatic cancer compared to older patients, suggesting they had lived with symptoms longer before the cancer was discovered. Researchers emphasize that it’s important for both the public and healthcare professionals to know that this type of cancer can also affect younger people. This is particularly important since the chance of curing cancer increases with early detection.

The study also shows that mortality has increased among both younger and older patients up to ten years after cancer diagnosis.

This is remarkable, since patients are often considered cured after such a long time. Our results challenge that view and underscore the need for more research into why this is happening, as well as long-term follow-up and support for both young and older patients, says Cecilia Radkiewicz, researcher at the Department of Molecular Medicine and Surgery at the Karolinska Institute in Stockholm.

Lifestyle may be the cause

It’s unclear what actually lies behind the increase in colorectal cancer among young people, but researchers believe it doesn’t appear to be driven by traditional risk factors such as inflammatory bowel disease or heredity. Instead, the results suggest that lifestyle factors may be decisive.

Childhood obesity, sedentary lifestyle, and antibiotic use have been highlighted as contributing factors, although the underlying biological mechanisms remain unclear, says Radkiewicz.

Just a few puffs are enough – how quickly vaping damages the lungs

Published 21 August 2025
– By Editorial Staff
Researchers have for the first time been able to demonstrate a direct link between inhaled nicotine from e-cigarettes and inflammatory markers in the blood.
2 minute read

Just a few puffs of an e-cigarette, or vape, containing nicotine can trigger inflammation in the lungs, according to research from Uppsala University in Sweden.

The researchers, who received funding from the Swedish Heart-Lung Foundation, tested 22 healthy individuals on two different occasions. The participants then smoked e-cigarettes both with and without nicotine for half an hour each.

When the researchers analyzed the blood samples, they found that participants exposed to nicotine-containing e-cigarettes showed elevated levels of inflammatory markers in their blood. According to the researchers, this could mean that just a few inhalations are enough to trigger an inflammatory reaction in lung tissue.

The results are alarming, as they clearly show that e-cigarettes with nicotine are not a harmless alternative to cigarettes. We have long worked to spread scientifically-based knowledge about nicotine’s health effects, and this research strengthens our conviction that tobacco and new nicotine products should be treated equally under the law, says Kristina Sparreljung, Secretary General of the Swedish Heart-Lung Foundation, in a press release.

For the first time, researchers have been able to demonstrate a direct link between inhaled nicotine and specific inflammation markers in the blood that are connected to the lungs. The researchers believe the absorption rate is particularly concerning, as the body absorbs nicotine faster than with nicotine patches, for example.

Our results are in line with previous studies where nicotine from e-cigarettes has been shown to affect blood vessels by increasing levels of vascular damage markers in the blood. It’s remarkable that even single occasions can produce biological effects. In the long term, this could contribute to the development of both lung diseases and cardiovascular disease, says Fariborz Mobarrez, lecturer and researcher at the Department of Medical Sciences at Uppsala University.

Obesity the most common risk factor for heart attack among Swedes

Published 20 August 2025
– By Editorial Staff
Women who suffer heart attacks often have more risk factors and a worse prognosis than men.
2 minute read

Obesity has overtaken smoking as the primary cause of heart attack among young adults in Sweden, a new study shows.

In the study, which was published in European Heart Journal – Quality of Care and Clinical Outcomes, researchers followed 44,254 people aged 18–59 after they suffered their first heart attack. The study is a registry-based study and was conducted with support from the Swedish Heart-Lung Foundation.

The results show that three out of four young adults who suffered a heart attack had at least one known risk factor – most commonly high blood pressure, diabetes, smoking, or obesity. Furthermore, the study shows that obesity has overtaken smoking as the most common risk factor in this age group. The reason is that the number of smokers has decreased, but at the same time the proportion suffering from obesity has increased markedly. For example, one in four suffered from obesity in 2006, and more than one in three in 2021.

It is concerning that the proportion of people with obesity has overtaken the proportion of smokers as the most common risk factor among young adults. But it also shows that we can do much to prevent heart attacks by finding and treating risk factors in time, says Moa Simonsson, researcher and senior physician in cardiology at Karolinska University Hospital in Stockholm, in a press release.

Difference between men and women

Men run a greater risk of suffering a heart attack compared to women and are often affected earlier in life. At the same time, the study shows that women who suffer heart attacks often have more risk factors, but also that they have a worse prognosis after a heart attack.

It seems that women who have a heart attack need to have a heavier burden of risk factors than men to be affected. This shows that we need to understand more about women’s particular risks, such as complications during pregnancy, says Simonsson.

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