Blog
Cataracts and cognitive aging: shared risk or vision-loss effect?
Cataracts and cognitive aging may overlap through vision loss, shared vascular risk, activity changes, and confounding. Learn what the evidence suggests.
Tooth loss and cognitive decline: what the evidence suggests
Tooth loss and cognitive decline are linked in cohort studies. Learn what the evidence suggests, what it cannot prove, and what to track next.
Attention span after 50: normal change or warning sign?
Attention span after 50 can change with sleep, hearing, medication, stress, and processing speed. Learn what is normal and when to seek help.
Loss of smell and brain aging: when to take it seriously
Loss of smell can come from aging, infection, allergies, medications, head injury, or neurodegenerative risk. Learn when olfactory changes deserve evaluation.
Processing speed vs memory decline: which changes first?
Processing speed often slows before memory becomes unreliable. Learn how to tell normal slowing from concerning memory decline and what to track first.
Hearing aid adoption timing: does earlier use protect cognition?
Hearing aid timing may matter for cognitive aging. Learn when to test, when aids are worth trying, what ACHIEVE showed, and how to avoid waiting too long.
Vestibular dysfunction vs brain fog: when dizziness affects thinking
Vestibular dysfunction brain fog can feel like cognitive decline. Learn the dizziness patterns, red flags, and tracking signals to sort next steps.
Brain fog vs MCI: when forgetfulness needs attention
Brain fog vs MCI: compare patterns, escalation thresholds, and signs that everyday forgetfulness deserves a clinician conversation, not self-diagnosis.
Mild cognitive impairment (MCI): early signs, reversibility, and what families miss
Mild cognitive impairment isn't always a one-way road to dementia. Learn the early signs families miss, the reversible causes, and what current evidence shows.