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- Age – the dementia disease, particularly the most common Alzheimer’s is more likely in elderly people, and a higher proportion of above-85-year-olds have it than in above over-65 year-olds.
- Family history or genetic inheritance – having Alzheimer’s in parents, siblings or family is directly connected with greater risk. This is the second highest risk factor after age factor.
- Carrying a specific gene (the APOE or apolipoprotein E gene) – position a person, depending on their certain genetics, at 3 to 8 times more risk than an individual without the specific gene. Various other genes have been discovered to be connected with Alzheimer’s dementia disease, even recently.
Potentially avoidable or modifiable factors
- Factors that escalate blood vessel (vascular) risk – including high blood pressure, diabetes, high cholesterol. These factors also rise up the threat of stroke, which itself can result in another kind of dementia
- Low occupational and educational achievement.
- Previous brain injury. (While a traumatic head injury does not compulsorily result in Alzheimer’s kind dementia, some research have been drawn, with increasing risk attached to the intensity of trauma history
- Sleeping disorders (for example -sleep apnea, wandering in night, the breathing problem).
Down syndrome is a genetic disorder that causes mental retardation, facial and body features. Alzheimer’s dementia disease is far more persistent in this kind of population rather than in the ordinary population. People with Down syndrome usually obtain Alzheimer’s dementia between ages 30-50 years old; an estimate of 25% of people with Down syndrome over age 30 years exhibit signs of AD. Research also indicates that people who have a genetic disposition of Down syndrome are at a greater risk of developing Alzheimer’s.
Diets high in fats, calories and cholesterol can put a person at higher risk of developing AD.
- Food items having a high content of these substances put a person at greater risk for strokes, cardiac problems or heart disease; brain damage take place when these diseases deprive the brain of blood
- A direct correlation has been derived to prevail between obesity and rapid development of Alzheimer’s and other kinds of dementia.
About 2 million Americans come in contact to brain injuries every year. Head Injury that lead to the loss of responsiveness or memory black out for about 30 minutes or more with or without a skull rupture is regarded a brain injury. Early adulthood brain injury is firmly linked with development of AD later in life. Injuries leading to skull ruptures and extended periods of blackout put a person at higher risk. Healthcare Experts are still attempting to identify why and how brain injury subscribe to the development of Alzheimer’s dementia. Protective head gears, guards, helmets and seat belts must be worn as often as possible to decrease the chances of head injury.
Naturally occurring chemicals or substances that exist in our environmental atmosphere are regarded to be the environmental factors. Excessive Exposure to ample amount of such factors can lead to various health problems, including Alzheimer’s.
- Naturally occurring minerals in surroundings like iron, zinc, and lead
- Naturally occurring minerals such as pesticides, fertilizers, benzene and toluene
Women are relatively at more risk for obtaining Alzheimer’s than men.
- Females usually have a longer life expectancy than males, and the rate of risk for Alzheimer’s disease increases with age.
- Lower levels of a specific hormone called estrogen after menopause increase women’s likeliness of developing Alzheimer’s.
Parkinson’s disease (PD) is an irreversible and successive neurological disorder that causes rigid body and facial movements, tremors, deficit balance, and immensely slows mobility in day to day tasks, such as watering the plants, getting dressed etc.
- People with quickly maturing symptoms of Parkinson disease are comparatively 8 times more prone to develop Alzheimer’s disease.
- The symptoms and signs linked with AD and PD are most often quite similar in characteristics and thus difficult to differentiate. Alzheimer’s usually develops in the later stages of Parkinson. Likewise, people in the late stages of Alzheimer’s oftentimes show symptoms of PD.
Stroke is one of the most common conditions of deaths, especially in the US.
- Chain cigarette smoking, Diabetes, high blood pressure, and cardiac disease are the main cause of strokes.
- When stroke depletes the brain of sufficient blood supply, which comprises oxygen, nutrients, minerals and food, brain cells can be ruined or eventually die.
However this illness is the main cause of vascular dementia.