During my PhD research on brain health biomarkers, I worked with healthy individuals and with people living with Alzheimer's disease, depression, and stroke. One theme emerged consistently: people often do not know what brain health is—or why it matters—until they feel they are losing it.
I noticed a pressing gap in participants' knowledge. That gap is one reason I started this blog: to make brain health easier to understand before a crisis makes the subject urgent.
Defining brain health
Brain health includes our capacity to learn, judge, use language, and remember. Broader definitions also consider age, physical health, and the ability to carry out the activities that matter to an individual. The precise definition continues to evolve, but one point is already clear: understanding what threatens brain health is essential.
The need to protect it
The brain is protected by the skull, yet it remains vulnerable to vascular disease, repeated head impacts, neurodegeneration, chronic stress, and many other influences. Damage can affect cognition, mood, movement, communication, and independence—often changing life for whole families, not only for one person.
We should not have to wait for decline before we begin caring for the brain.
Prevention begins with attention: noticing risk factors, protecting the head, supporting cardiovascular health, staying mentally and socially engaged, and seeking professional assessment when symptoms are new or concerning.
In the posts ahead, we will explore practical ways to protect brain health—starting now.