For the 8,000 to 10,000 people and their families in and around Tucson who are living with Parkinson’s disease — and the many people who are undiagnosed — this walk is for you. “We want to bring the ...

Cardiac catheterization (also called cardiac cath, heart cath, or coronary angiogram) is a procedure that allows your doctor to see how well your blood vessels supply your heart. During the test, they ...

A positron emission tomography (PET) scan is a diagnostic tool that examines body tissue functioning, such as blood flow, oxygen use, and sugar metabolism, to help doctors diagnose and treat disease.

The 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) inhibits the mitochondrial complex I of the respiratory chain. This results in ATP and ion homeostasis disturbances, which lead to selective ...