👉 A centenarian, also known as a "senior citizen" or "elderly person," is an individual who has reached the age of 100. They are typically characterized by their longevity and may have lived through significant changes in society, culture, and technology. Centenarians often face unique challenges related to aging, including limited mobility due to physical limitations, as well as social isolation due to ageism or societal expectations that older individuals should not be involved in the workforce. However