How Heart Health Directly Affects Your Brain and Memory

Marcus St. John, M.D., FACC, FSCAI, is an interventional cardiologist with Miami Cardiac & Vascular Institute and is the Medical Director of the Cardiac Catheterization Lab at Baptist Hospital. He specializes in diagnosing and treating a wide range of cardiovascular diseases through catheter-based procedures, such as angioplasty and stenting. In addition to interventional cardiology, his clinical interests include general and preventive cardiovascular medicine. Dr. St. John has conducted clinical research studies and co-authored numerous peer-reviewed scientific articles on cardiology. He has lectured extensively throughout the Caribbean and the U.S. on heart disease and preventive cardiovascular medicine.

Nestor Beltre, M.D., is a board-certified neurologist at Baptist Health Miami Neuroscience Institute. He provides comprehensive, evidence-based care to improve quality of life for patients with complex neurological conditions. He specializes in movement disorders, including Parkinson's disease, tremor, dystonia, Huntington's disease and tic disorders. His subspecialty expertise includes the use of ultrasound-guided botulinum toxin injections for movement disorders and deep brain stimulation programming for Parkinson’s disease and essential tremor.

Dr. Beltre earned his medical degree at the University of Miami Miller School of Medicine. He remained at the University of Miami to complete an internal medicine internship and serve as chief during his neurology residency at Jackson Health System. His clinical training also includes a fellowship at NYU Langone’s Fresco Institute for Parkinson’s and Movement Disorders, where he received advanced training in the diagnosis and management of Parkinson’s disease, dystonia, tremor and tic disorders.

Committed to training and mentoring the next generation of clinicians, Dr. Beltre serves as an assistant professor at the Herbert Wertheim College of Medicine at Florida International University. He has developed educational programs for neurology trainees and presented his work at leading national and international conferences, including the International Congress of Parkinson’s Disease and Movement Disorders and the American Academy of Neurology annual meetings.

Trust, transparency and partnership are the cornerstones of Dr. Beltre’s patient care philosophy. He strives to create a collaborative relationship where medical decisions are guided by both clinical expertise and the patient’s individual values and goals. He takes time to listen, educate and communicate with his patients so they feel supported, respected and empowered to be actively involved in their health journey.

Dr. Beltre is fluent in English and Spanish. He is a coffee enthusiast and an avid reader of history. During his free time, he enjoys road cycling and watching the annual Tour de France races.