More Than Just Forgetfulness: Why Dementia Should Be a Concern from the Age of 30

Many people consider that being forgetful is a normal part of the ageing process. However, medically, significant cognitive decline is known as dementia. This condition is not a single disease, but rather a syndrome that drastically affects a person’s memory, thinking ability, and social interactions.

Based on the latest data for 2026, the prevalence of dementia in Indonesia is estimated to reach 4.2 million people. This global challenge is predicted to continue to increase, but the good news is that recent research shows that a proactive lifestyle can significantly delay the onset of symptoms.

Dementia is a general term for cognitive decline that affects memory, thinking, and social abilities. This condition is not a normal part of ageing, but occurs due to damage to nerve cells in the brain that disrupts communication between cells.

Often, these two terms are considered the same, but medically they have fundamental differences.

Recognising the symptoms early on is crucial to slowing its progression. Here are some of the early signs that often appear:

Recent research in February 2026 emphasised the importance of Cognitive Reserve. Activities that consistently stimulate intellectual activity, such as learning a foreign language or a musical instrument, have been shown to reduce the risk of dementia by up to 40%.

Dementia prevention is a long-term investment. Here are some steps recommended by health experts:

Dementia may be a serious health challenge in the future, but it is not something that cannot be anticipated. By understanding the early symptoms and adopting a healthy lifestyle from a productive age, we can maintain quality of life and brain health into old age.