People who snore loudly are 3 times more likely to develop dementia

Loud snorers may be three times more likely to develop dementia, warns a new study.

Sleep apnoea, which is a common sleep disorder that cuts off oxygen supply and can cause snoring, also kills brain cells. Now a study in Australia is looking at whether treating this condition can prevent dementia.

People with sleep apnoea are 2-3 times more likely to develop Alzheimer's disease

This could be hypoxia, which refers to lower levels of oxygen in the blood from poor breathing, causes nerve cells to die.

Sleep apnoea is the most common sleep disorder, and is caused when the muscles and soft tissue in the throat relax, causing a blockage of the airways.

It interferes with breathing, often stopping it altogether for short periods leading to lack of oxygen, restless sleep and heavy snoring.

It is twice more common in men than women and can begin in childhood too. Many people who suffer from it are unaware that they have it.

It can be treated by wearing a mask in bed, called a Continuous Positive Airways Pressure (CPAP), that blows air into the back of the throat.

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