Alzheimer's disease is a neurodegenerative disorder that affects an estimated 5.7 million Americans. It is not a hereditary disease, meaning that it does not necessarily appear in successive generations. In other words, if a person has Alzheimer's disease, it does not mean that their children or grandchildren will necessarily develop the condition.
That said, a person's genetic makeup can influence their risk for Alzheimer's disease. Genes play an important role in a person's risk of developing the condition. Certain genetic mutations, such as the apolipoprotein E-e4 (APOE-e4) gene, can increase a person's risk of developing Alzheimer's disease. However, having this gene does not guarantee that a person will develop the condition.
In addition, family history is an important factor in determining a person's risk for Alzheimer's disease. If a person has a close relative who has Alzheimer's disease, their risk of developing the condition is slightly higher. However, this does not mean that it will necessarily appear in successive generations.
Overall, Alzheimer's disease is not a hereditary disease, meaning that it does not necessarily appear in successive generations. However, genetic makeup and family history can influence a person's risk of developing the condition. Therefore, it is important for individuals to be aware of their family health history and to discuss any concerns with their doctor.