“Stressing people since 2002”

The Exercise & Environmental Physiology Lab opened at the University of Oregon in 2002.

Funded by National Institutes of Health

Current research is supported by the National Heart, Lung, and Blood Institute of NIH.

Research subjects needed

Interested in participating? You can find the current projects listed in the dropdown menu under PROJECTS.

Throughout my career…

My research has focused on identifying the hormonal, neural, or metabolic factors that are responsible for changes in the cardiovascular system during exposure to...

What are we doing?

The studies we are currently conducting are designed to understand the mechanisms that underlie some of the beneficial effects of exercise, particularly in an...

Why use exercise in research?

We learn much more about the cardiovascular system when we challenge it. Just sitting around, we won’t know what it is capable of doing....


The DEPARTMENT OF HUMAN PHYSIOLOGY at the UNIVERSITY OF OREGON, is currently recruiting volunteers for a study investigating how antihistamines affect the ability to perform 10-km cycling time trials.

This study is being conducted by Dr. Halliwill and his graduate students.

If interested, contact Matt Ely at


Upon participation, you will be compensated for your time, up to $200.


  • Screening visit (~2-hour)
  • 2 Familiarization visits (~1 hour/visit)
  • 4 Study visits (~4 hours/visit)*
  • Must be fasted from food for 2 hours, caffeine for 12 hours, and alcohol for 24 hours  prior to the study visits
  • Must avoid exercise 24 hours prior to each study visit


  • Ages 18-40
  • Lean (BMI ≤ 25 kg/m2)
  • No smoking, high blood pressure or heart disease
  • Not currently taking medications (most forms of birth control accepted)
  • Experience riding/racing bikes
  • Able to perform 3 hours of continuous exercise