Create biomedical-imaging.md for research overview

Added a new document outlining biomedical imaging research, including its applications in computational disease modeling and population health imaging.

Author: vishwaparekh

research/biomedical-imaging.md

@@ -0,0 +1,20 @@
+---
+layout: default
+title: Biomedical Imaging Research
+---
+
+## Biomedical Imaging Research
+
+We use imaging to uncover hidden patterns in disease and population health.
+
+Our work spans:
+
+- **Computational disease modeling** – characterizing tumors and organs with rich quantitative signatures, tracking how they evolve over time, and linking them to outcomes.
+- **Population health imaging** – using clinically acquired scans at scale to study risk, disparities, and opportunistic screening.
+
+Examples include tumor connectomics, longitudinal modeling of treatment response, and imaging biomarkers that connect anatomy, physiology, and cognition.
+
+Explore the two major themes:
+
+- [Disease Modeling »]({{ '/research/disease-modeling/' | relative_url }})
+- [Population Health »]({{ '/research/population-health/' | relative_url }})