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University of Oulu, Finland


Moderate-to-vigorous physical activity and sufficient sleep protect mental health in middle age

A recent study published in Depression and Anxiety found that moderate-to-vigorous physical activity and sufficient sleep are crucial for protecting mental health in middle age. Replacing sedentary behavior with light activity produced smaller benefits compared to moderate-to-vigorous physical activity, highlighting the importance of i...

SourceUniversity of Oulu, Finland·JournalDepression and Anxiety·DateJun 1, 2026

If the Laschamps geomagnetic excursion happened today, aviation radiation exposure would be radically altered – with “shielded pockets” in the north

Researchers modelled the structure of the magnetic field and cosmic radiation throughout the Laschamps excursion. The results show that cosmic radiation penetrated the atmosphere at record levels, with regions where it could freely enter irradiating a major fraction of the Earth's atmosphere.

Promoting physical activity can be surprisingly inexpensive – yet impacts are rarely measured

A new study found that simple approaches to promoting physical activity, such as online or print-based advice, can increase activity by an average of one hour per week at a cost of less than one euro per participant. However, the study highlights a significant gap in measuring the costs and real-world impacts of such interventions.

SourceUniversity of Oulu, Finland·JournalPreventive Medicine·DateMar 11, 2026

Family background strongly linked to financial misconduct by corporate executives

A study conducted at the University of Oulu found that senior corporate executives are more likely to commit financial crimes if their parents have previously been charged and convicted. The researchers analyzed nearly 76,000 CEOs and board members and found a strong association between parental convictions and executive misconduct.

SourceUniversity of Oulu, Finland·JournalJournal of Accounting Research·TypeData/statistical analysis·DateJan 8, 2026

Moss and symbionts offer a promising solution for removing metals from mining and forestry-impacted waters

Mosses have been found to remove metals from water by utilizing the help of their microbial symbionts. The key to this process is the cooperation between the moss and its endophytes, which enhance metal tolerance. Mosses from polluted environments were found to host more beneficial microbes that facilitate metal removal.

SourceUniversity of Oulu, Finland·JournaliMetaOmics·DateDec 15, 2025

Cause of partner’s death linked to widowhood mortality – differences more pronounced in cohabiting couples

A nationwide study in Finland finds that widows and widowers from cohabiting relationships face higher mortality risks, especially after accidental deaths. Forming a new relationship reduces mortality compared to living alone, with marriage associated with lower mortality for both men and women.

SourceUniversity of Oulu, Finland·JournalJournal of Gerontology·TypeData/statistical analysis·DateDec 1, 2025

More efficient and flexible image compression

Professor Marko Huhtanen's research introduces a new method for compressing images by leveraging the best features of multiple well-known compression methods. The technique enables the removal of rigidity in traditional approaches, allowing for more precise control and adjustment during compression.

SourceUniversity of Oulu, Finland·JournalIEEE Signal Processing Letters·DateNov 13, 2025

Adolescent ADHD symptoms affect adult income indirectly through education and mental health

A study by the University of Oulu found that adolescent ADHD symptoms affect adult income indirectly, through education and other psychiatric disorders. The study revealed a 25% decrease in incomes among individuals with both ADHD and ODD, highlighting the importance of preventive services and investments in education and mental health.

SourceUniversity of Oulu, Finland·JournalEuropean Child & Adolescent Psychiatry·DateSep 11, 2025

Anorexia in adolescence may weaken labor market position in adulthood – special attention needed for young men

A study by the University of Oulu found that individuals with anorexia in adolescence have lower income levels and more days of unemployment in adulthood. The effects on labor market position are particularly pronounced in men, highlighting the need for special attention and initiatives to improve their outcomes.

SourceUniversity of Oulu, Finland·JournalSocial Psychiatry and Psychiatric Epidemiology·DateAug 28, 2025