Jessica Lewis, PharmD, MS
PharmD, MS
Medical Affairs Specialist · Medical Writer · Medical Communications
Profile last updated: September 2026
Articles by Jessica Lewis, PharmD, MS
- Causes of insulin resistanceInsulin resistance has no single known cause. Several contributors can act together — body fat distribution, physical inactivity, sleep, certain medicines, hormonal conditions, age, and genetics — and the combination differs from person to person.
- Signs and symptoms of insulin resistanceInsulin resistance usually causes no symptoms. The symptoms often attributed to it are usually signs of high blood sugar, which comes later. Two physical signs have real research behind them, but neither is diagnostic.
About
Jessica Lewis is a Medical Affairs Specialist with seven years of medical writing experience. Her work centers on translating complex scientific data into clear, accurate documents, including clinical dossiers and question-and-answer materials used by pharmaceutical and biotechnology companies.
She has also contributed to pharmacovigilance, documenting and reporting safety information to support regulatory compliance. That background shapes how she approaches health writing: careful with evidence, precise with safety information, and clear about what the research does and does not show.
Jessica has written medically accurate materials in market access and medical communications for major global pharmaceutical and medical device companies. Her therapeutic experience includes oncology and infectious disease.
Contributions to InsulinResistance.org
For InsulinResistance.org, Jessica writes evidence-based consumer health content, including our guides to the signs and symptoms of insulin resistance and its causes.