Sitting at your table all day or on your seat watching TV may make you stupid, scientists have advised.
Researchers have discovered those with a sedentary life-style have a smaller brain region necessary in forming memories.
The study, by researchers at the University of California at los angeles, adds to a growing list concerning the risks of sitting for too long.
An array of proof has already coupled the dangerous habit to heart disease, diabetes, many types of cancer and an early death in recent years.
But the new analysis, derived from thirty five participants, suggests sitting for too long may even boost the chance of dementia.
Those with the lazy lifestyles had less grey matter in the medial temporal lobe (MTL) – although they went for normal brisk walks, cycle rides or jogs
A decline in this area has repeatedly been shown to be an early serious warning call of Alzheimers in middle-aged and older patients.
The study, revealed in PLOS ONE, quizzed the volunteers, who were aged between 45 and 75, concerning their levels of exercise.
Each person underwent a high-resolution mri scan that provides a close look at the MTL, a part involved in the formation of latest memories.
The researchers, led by biostatistician Dr Prabha Siddarth, found that sedentary folks had a diluent MTL.
Dr Siddarth and colleagues disclosed how this finding remained true – even when volunteers had high levels of physical activity.
COULD SITTING TOO LONG result in trouble going to THE TOILET?
Sitting for too long may increase your likelihood of developing urinary issues, said a study last month.
Sitting for over ten hours may cause you to 16 per cent a lot of likely to experience issues urinating, South Korean researchers said.
These issues may include urinating a lot of frequently, a lower flow stream and mild incontinence – collectively called lower urinary tract symptoms (LUTS).
Researchers at at the Kangbuk Samsung Hospital in Seoul weren’t sure why this happened however said sitting might have an effect on blood supply to the pelvis.
Looking at answers from a form of sixty nine,795 Korean men, the researchers compared sitting down times with self-reported urinary issues.
The men’s health was then followed over an average of 2 and 0.5 years and also the results were revealed within the BJU international.
The researchers warned that the study ‘does not prove an excessive amount of sitting causes thinner brain structures’.
However, they were keen to feature the analysis will prove ‘that a lot of hours spent sitting ar related to diluent regions’.
The researchers wrote: ‘MTL dilution are often a precursor to cognitive decline and dementia in middle aged and older adults.
‘Reducing sedentary behaviour is also a possible target for interventions designed to boost brain health in individuals in danger for Alzheimers.’
The scientists, who were half funded by the United States government, currently plan to follow up the preliminary findings on a larger trial group.
This will help verify if sitting causes the thinning and what precise role gender, race and weight may play, they said.
Previous analysis shows physical activity correlates with higher volume within the hippocampus, a small, memory-critical region deep inside the brain.
The temporal lobes ar on either aspect of the brain, close to the temples. They subsume memory, as well as recognition of faces and objects, and language.
The Alzheimers Society said: ‘Our every day memory of private experiences, called LTM, is extremely closely coupled to the hippocampus.’
They added that this can be ‘inside the lobe on all sides of the brain’.
‘The outer a part of every lobe is wherever we tend to store general knowledge, that could be a completely different kind of memory called semantic memory,’ a spokesperson said.
‘The left temporal lobe typically deals with facts, the meanings of words and also the names of objects.
‘This lobe is central to understanding speech and talking. the right lobe usually deals with visual material.
‘This lobe is central to recognising familiar objects and faces.’