Dementia is a condition that affects the thinking, behavior, and memory of a person. The onset of dementia usually happens in old age, and it is one of the leading causes of death worldwide.

There are several factors that contribute to the risk of dementia, some of which are preventable or modifiable. Here are the ten factors that have been shown to increase the risk of dementia:.

1. Age

Age is the biggest risk factor for dementia. The risk of developing dementia doubles every five years after the age of 65. However, dementia can also affect younger people, although it is rare.

Approximately 2% of people between the ages of 60-64 will develop dementia, and this number increases to 30% for people aged 85 or older.

2. Genetics

Genetics plays a role in the development of dementia. People who have a family history of dementia are at higher risk of developing the condition themselves.

There are several genes that have been linked to an increased risk of Alzheimer’s disease, which is the most common type of dementia.

3. Smoking

Smoking has been linked to an increased risk of dementia. It is thought that smoking can damage blood vessels in the brain, which can lead to a reduction in brain function.

Smoking has also been linked to an increased risk of stroke, which is a known risk factor for dementia.

4. High Blood Pressure

High blood pressure, also known as hypertension, has been linked to an increased risk of dementia. Hypertension can damage blood vessels in the brain, leading to reduced brain function over time.

People with high blood pressure should aim to keep their blood pressure under control to reduce their risk of developing dementia.

5. Diabetes

Diabetes can increase the risk of dementia, particularly Alzheimer’s disease. Diabetes can damage blood vessels in the brain, leading to reduced brain function over time.

People with diabetes should aim to keep their blood sugar under control to reduce their risk of developing dementia.

6. Physical Inactivity

Physical inactivity is a risk factor for dementia. Regular physical activity has been shown to reduce the risk of developing dementia. Exercise increases blood flow to the brain, which helps to keep the brain healthy.

People who are physically inactive should aim to increase their activity levels to reduce their risk of developing dementia.

7. Poor Diet

A poor diet has been linked to an increased risk of dementia. A diet that is high in saturated fat, sugar, and salt can increase the risk of developing cardiovascular disease, which is a known risk factor for dementia.

A healthy diet, rich in fruits and vegetables, whole grains, and lean proteins, can help to reduce the risk of developing dementia.

8. Depression

Depression has been linked to an increased risk of dementia. Depression can damage the brain over time, leading to reduced brain function. It is important to seek treatment for depression to reduce the risk of developing dementia.

9. Head Injuries

Head injuries have been linked to an increased risk of dementia. People who have had a severe head injury are at higher risk of developing dementia later in life.

It is important to take steps to prevent head injuries, such as wearing a helmet when cycling or participating in contact sports.

Social isolation has been linked to an increased risk of dementia. Social interaction is important for brain health, and people who are socially isolated may be at higher risk of cognitive decline.

It is important to maintain social connections to reduce the risk of developing dementia.