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Knee pain in your 30s? New study links rising BMI to why a condition once tied to old age is now affecting young adults

Knee pain in your 30s? New study links rising BMI to why a condition once tied to old age is now affecting young adults

Economic Times17 hours ago

A recent study from the University of Oulu indicates that knee joint deterioration can begin silently in early adulthood, even without pain. MRI scans of asymptomatic individuals revealed frequent subtle knee findings, particularly in the patellofemoral joint. Higher BMI was strongly associated with these findings, suggesting a potential risk factor for early cartilage damage.
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A new study by Joona Tapio and Antti Kemppainen of the University of Oulu reveals that knee joints may begin to deteriorate silently well before any pain is felt. This could explain why many 33-year-olds already exhibit signs of cartilage damage in their knees despite having no symptoms."Knee joint is the most common joint affected by osteoarthritis (OA). Degenerative findings in the knee joint are common in older adults, but can manifest already in early adulthood," said the study."In finding-specific regression analyses, higher body mass index (BMI) was most frequently associated with knee MRI findings. In this relatively young and asymptomatic population, subtle knee MRI findings were already frequent, especially in the patellofemoral joint. Of analyzed background and clinical parameters, higher BMI was most frequently associated with MRI findings. Based on these results, longitudinal studies are warranted to further identify risk factors and proportions of progressing MRI findings," said the study.The study explained that a large cohort study of over 290 000 patients found that the fraction of patients with OA in the 18–44-year age category had increased from 6.2% in 2001 to 22.7% in 2018."The Global Burden of Disease Study 2019 survey reported a consistent rise in the global OA incidence and prevalence in the 30–44-year age groups from 1990 to 2019. In high socio-demographic index regions, the incidence and prevalence of OA in these age groups exceeded the age-standardized world average. As high body mass index (BMI) contributed to only approximately 20% of the total OA burden, the increase is likely attributed to increased health awareness, a lowered threshold to seek medical evaluation and, consequently, diagnostic imaging," according to the study.

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Knee pain in your 30s? New study links rising BMI to why a condition once tied to old age is now affecting young adults
Knee pain in your 30s? New study links rising BMI to why a condition once tied to old age is now affecting young adults

Economic Times

time17 hours ago

  • Economic Times

Knee pain in your 30s? New study links rising BMI to why a condition once tied to old age is now affecting young adults

A recent study from the University of Oulu indicates that knee joint deterioration can begin silently in early adulthood, even without pain. MRI scans of asymptomatic individuals revealed frequent subtle knee findings, particularly in the patellofemoral joint. Higher BMI was strongly associated with these findings, suggesting a potential risk factor for early cartilage damage. Tired of too many ads? Remove Ads A new study by Joona Tapio and Antti Kemppainen of the University of Oulu reveals that knee joints may begin to deteriorate silently well before any pain is felt. This could explain why many 33-year-olds already exhibit signs of cartilage damage in their knees despite having no symptoms."Knee joint is the most common joint affected by osteoarthritis (OA). Degenerative findings in the knee joint are common in older adults, but can manifest already in early adulthood," said the study."In finding-specific regression analyses, higher body mass index (BMI) was most frequently associated with knee MRI findings. In this relatively young and asymptomatic population, subtle knee MRI findings were already frequent, especially in the patellofemoral joint. Of analyzed background and clinical parameters, higher BMI was most frequently associated with MRI findings. Based on these results, longitudinal studies are warranted to further identify risk factors and proportions of progressing MRI findings," said the study explained that a large cohort study of over 290 000 patients found that the fraction of patients with OA in the 18–44-year age category had increased from 6.2% in 2001 to 22.7% in 2018."The Global Burden of Disease Study 2019 survey reported a consistent rise in the global OA incidence and prevalence in the 30–44-year age groups from 1990 to 2019. In high socio-demographic index regions, the incidence and prevalence of OA in these age groups exceeded the age-standardized world average. As high body mass index (BMI) contributed to only approximately 20% of the total OA burden, the increase is likely attributed to increased health awareness, a lowered threshold to seek medical evaluation and, consequently, diagnostic imaging," according to the study.

Knee pain in your 30s? New study links rising BMI to why a condition once tied to old age is now affecting young adults
Knee pain in your 30s? New study links rising BMI to why a condition once tied to old age is now affecting young adults

Time of India

time17 hours ago

  • Time of India

Knee pain in your 30s? New study links rising BMI to why a condition once tied to old age is now affecting young adults

A recent study from the University of Oulu indicates that knee joint deterioration can begin silently in early adulthood, even without pain. MRI scans of asymptomatic individuals revealed frequent subtle knee findings, particularly in the patellofemoral joint. Higher BMI was strongly associated with these findings, suggesting a potential risk factor for early cartilage damage. Tired of too many ads? Remove Ads A new study by Joona Tapio and Antti Kemppainen of the University of Oulu reveals that knee joints may begin to deteriorate silently well before any pain is felt. This could explain why many 33-year-olds already exhibit signs of cartilage damage in their knees despite having no symptoms."Knee joint is the most common joint affected by osteoarthritis (OA). Degenerative findings in the knee joint are common in older adults, but can manifest already in early adulthood," said the study."In finding-specific regression analyses, higher body mass index (BMI) was most frequently associated with knee MRI findings. In this relatively young and asymptomatic population, subtle knee MRI findings were already frequent, especially in the patellofemoral joint. Of analyzed background and clinical parameters, higher BMI was most frequently associated with MRI findings. Based on these results, longitudinal studies are warranted to further identify risk factors and proportions of progressing MRI findings," said the study explained that a large cohort study of over 290 000 patients found that the fraction of patients with OA in the 18–44-year age category had increased from 6.2% in 2001 to 22.7% in 2018."The Global Burden of Disease Study 2019 survey reported a consistent rise in the global OA incidence and prevalence in the 30–44-year age groups from 1990 to 2019. In high socio-demographic index regions, the incidence and prevalence of OA in these age groups exceeded the age-standardized world average. As high body mass index (BMI) contributed to only approximately 20% of the total OA burden, the increase is likely attributed to increased health awareness, a lowered threshold to seek medical evaluation and, consequently, diagnostic imaging," according to the study.

Mathematician cracks the code of climate change to enhance forecast
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India Today

time21 hours ago

  • India Today

Mathematician cracks the code of climate change to enhance forecast

A Macquarie University mathematician has cracked a 15-year puzzle in climate science, developing equations that could transform how we predict global warming by accounting for irregularly shaped atmospheric Professor Stuart Hawkins' work, inspired by a 2008 lecture on climate modelling gaps, addresses a critical flaw in current calculations: the inability to accurately measure how non-spherical particles like desert dust, industrial soot, and wildfire ash scatter atmospheric aerosols such as jagged mineral dust from India's Thar Desert, fly ash in Delhi's smog, or soot from biomass burning cool or warm the planet depending on their shape and composition. Until now, climate models relied on equations designed for spherical particles, despite most real-world aerosols being irregular. 'These particles might cool Earth by reflecting light into space or warm it by trapping heat,' explains Hawkins. 'But without accurate models for their true shapes, predictions had a significant gap.'A 15-Year Quest for PrecisionHawkins' journey began when atmospheric physicist Michael Box highlighted this blind spot during a models struggled with the complex physics of light scattering by non-spherical particles, leading to uncertainties in climate projections. Over a decade and a half, Hawkins refined mathematical techniques to model these irregular shapes, combining advanced computational methods with insights from wave scattering breakthrough isn't limited to climate science. The equations could enhance medical imaging techniques, such as ultrasound or MRI, which rely on interpreting how waves scatter inside the could also aid in designing advanced materials, like coatings that manipulate light or sound. 'The principles apply anywhere scattering occurs,' says regions like India, where non-spherical aerosols dominate — from Rajasthan's mineral dust to Mumbai's industrial emissions — this work could refine local climate models may better forecast heatwaves, monsoon shifts, or pollution impacts, informing policy and mitigation equations, now being integrated into global climate frameworks, mark a leap forward in understanding Earth's energy balance. 'This isn't just about closing a gap—it's about rebuilding the foundation of how we model our planet's future,' he climate crises intensify, such precision could prove vital in steering humanity toward safer Watch

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