Most of the time, this is simply a sign that a person is a bit too busy or is preoccupied. On the other hand, having a consistently poor memory can be problematic for someone.
Many factors play a role in memory loss, including genetics, age, and medical conditions that affect the brain. There are also some manageable risk factors for memory loss, such as diet and lifestyle.
While not all memory loss is preventable, people may be able to take measures to protect the brain against cognitive decline as they age.