The brain’s blood-brain barrier (BBB), a densely packed layer of cells lining the interior of cerebral blood vessels, is capable of protecting brain tissue from viruses, bacteria, parasites, and many chemical toxins. But the BBB is not perfect: It is vulnerable to influxes of heavy metals such as lead, iron,
Susan Jimison Vitek
Susan Jimison Vitek is Executive Editor of Mind, Mood, & Memory, a monthly publication sponsored by Massachusetts General Hospital in Boston that focuses on the latest developments in mental health. Her regular interviews with outstanding Harvard researchers and medical experts have covered a variety of topics associated with the brain, including mood disorders such as depression, neurodegenerative diseases, aging, nutrition, mental stimulation, the brain benefits of exercise, and more. Jimison Vitek is an experienced journalist who has focused on health issues for a variety of publications, including major national newspapers. Over the years, her writing and editing career has encompassed projects ranging from reporting for national health agencies and pharmaceutical companies to authoring a diet book and documenting the progress of innovative programs for the New York City criminal justice and social service systems.