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Improving eyesight may have a preventative effect on dementia

Prescription drugs continue to fail in the treatment Alzheimer's and other forms of dementia.

As a result, researchers are switching gears and arguing for the prevention route when it comes to the fight against all forms of dementia.

Focusing on eliminating risk factors such as high blood pressure, obesity, smoking, hearing loss and poor vision may hold the key to preventing the onset of these neurological disorders. Hearing and vision influence the neural system by providing stimulation. Without that stimulation, neurons die, which results in a rearrangment of the brain. 

The odd of getting dementia increase with age so with our increasingly ageing population, cases are rising. However, over the last 25 years, the incidence of dementia has fallen by 13 percent per decade. 

The long-term costs of dementia takes a toll on the patient and his or her caregivers. By focusing on prevention of this devastating disease, researchers hope that we will begin to win the battle against dementia.

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