Healthy
How much should you exercise for a longer, healthier life? Study offers clues
- There are many factors when it comes to living a long and healthy life.
- Some of these factors cannot be changed, while many others are modifiable.
- A new study from researchers at the University of Jyväskylä has found that while exercise is important to living a long life, following other healthy lifestyle habits may have an even greater impact.
Many factors are involved when it comes to living a long and healthy life.
Some factors like geneticsTrusted Source and genderTrusted Source cannot be changed. However, many other habits, such as nutrition, physical activity, reducing stress, not smoking, and proper sleep, can be modified.
A new studyTrusted Source from researchers at the University of Jyväskylä in Finland that is currently being peer-reviewed has found that while exercise is important to living a long life, following other healthy lifestyle habits may have an even greater impact.
Ms. Anna Kankaanpää, project researcher at the Gerontology Research Center in the Faculty of Sport and Health Sciences at the University of Jyväskylä in Finland and lead author of this study, told Medical News Today she decided to study the correlation between leisure-time physical activity and mortality risk because a previous studyTrusted Source conducted at the University of Jyväskylä suggested that the association may be due to genetic influences.
“This finding contradicts results from a study involving Swedish twins, which found an association independent of genetic factors,” Kankaanpää continued. “I aimed to explore the reason for this discrepancy.”
Also, in the study, the researchers discuss that while previous research shows a link between exercise and a lower risk of mortality from all causes and cardiovascular disease, some previous research — such as this studyTrusted Source published in December 2021 — found exercise does not reduce all-cause mortality and incident cardiovascular disease in older adults or people with chronic conditions.
This, the researchers say, may show there are other underlying factors than exercise alone affecting how long a person lives.
For this study, the research team used the data of more than 11,000 sets of adult twins from the Finnish Twin Cohort.
The amount of physical activity study participants had was assessed through questionnaires given in 1975, 1981, and 1990. Participants were placed into four groups: sedentary, moderately active, active, and highly active. And participants’ mortality was monitored until 2020, a span of 45 years.
At the end of the study, Kankaanpää and her team found that over a third — almost 40% — of participants from the sedentary group died by the mortality follow-up in 2020, which was the largest percentage of the four groups.
Participants in the active groups had between 15% and 23% lower all-cause mortality risk when compared to the sedentary group.
“I was not surprised (by these results) because numerous observational studies consistently indicate this association,” Kankaanpää commented.
How do other lifestyle factors affect mortality risk?
The researchers then factored in other lifestyle factors, including body mass index (BMI), health status, alcohol use, and smoking status.
When those factors were applied, the mortality rate of participants from the sedentary group dropped to a maximum of 7%.
The scientists also found that participants in the sedentary and highly active groups experienced accelerated biological agingTrusted Source when compared to the moderately active and active groups.
According to the study, the researchers believe the beneficial association of long-term exercise with reduced death risk was largely accounted for not only by exercise but also by other health-related factors.
Instead of regular physical activity being the cause of lower mortality risk, it may instead be an indicator of an overall healthy lifestyle, helping to extend a person’s life.
“It would be interesting to study whether the same holds for cause-specific mortality, such as mortality due to cardiovascular diseases,” Kankaanpää said when asked about the next steps in this research. “Moreover, I would like to investigate the reasons behind the accelerated biological aging observed in highly active participants.”
