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A female scientist in a white lab coat observes a sample through a microscope, focused on her research.

Study Recruitment

  1. U of G Homepage
  2. Human Health Sciences
  3. Research

What is the HHS Participant Database?

Do you want to hear about ways to participate in future health and nutritional science research at the University of Guelph?

Join the Human Health Sciences (HHS) Participant Database!

Anyone over 18 years old with internet access and a valid email address can fill out the online survey and be contacted about future HHS human studies.

This database has been reviewed by the Research Ethics Board for compliance with federal guidelines for research involving human participants (REB#20-07-022).

Participate in the HHS Participant Database

  • Take me to the survey
  • Informed consent form

Current HHS Human Studies

View the Study Recruitment PDF

What are we researching?

We are aiming to understand if muscle performance fatigability differs in women after menopause and if this is related to the decline in ovarian hormones and/or aging.

Are you eligible?

We are recruiting three groups of participants:

  • Pre-menopausal: ages 18-30 with a regular menstrual cycle. Oral contraceptive use is permitted.
  • Post-menopausal: 12 consecutive months without menstruation.
  • Post-menopausal HRT: 12 consecutive months without menstruation and taking a form of estrogen-based HRT for 6 months.

Exclusion criteria: Recent lower limb surgery or mobility issues, estrogen analog hormone therapy

How does it work?

This study involves 2 visits to U of G and is about 2.5 hours total.

Visit #1: Questionnaires, neuromuscular testing familiarization.

Visit #2: Urine sample (hormone levels) and neuromuscular testing of the lower limb, which consists of electrical stimulation to the muscle and a fatigue protocol.

Why participate?

Women spend about one-third of their lives post-menopause, yet menopause is under-represented in research.

This study aims to understand how aging, ovarian hormone decline, and hormone therapy impact muscle performance and fatigability, addressing a critical gap in women’s health.

Contact arilling@uoguelph.ca for any questions you may have or to become a participant.

View the Study Recruitment PDF

What? This research study is examining a supervised treadmill walking program for adults living with type 2 diabetes. Some participants will complete walking sessions with blood flow restriction (BFR), which involves wearing light pressure bands on the legs during exercise, while others will walk without BFR.

Why? The purpose of this study is to explore whether this type of exercise program is feasible for adults with type 2 diabetes.

Who? Adults aged 19-64, have Type 2 diabetes, not exercising regularly

Program Details: Participants will complete supervised treadmill walking sessions three times per week for approximately 30 minutes each.

Want to learn more? Email Emilie Richer at ericher@uoguelph.ca.

This study has been reviewed and approved by the University of Guelph Research Ethics Board (REB #2035).

View the Study Recruitment PDF

Who? Healthy male and female aged 30-50 years who are regular cannabis users who smoke or vape cannabis no more than 1-2 times per week.

What? Researchers are investigating the acute cardiovascular effects of consumption of different variants of cannabis. This study will examine numerous outcomes including: blood pressure, heart rate, muscle sympathetic nerve activity, blood cannabinoid levels. You will be asked to take a pill (beta-blocker, Atenolol) two hours before each visit that will either be a placebo or a medication to prevent increases in heart rate during cannabis inhalation. This study may involve one-on-one interactions with male researchers.

Where? Department of Human Health and Nutritional Sciences at the University of Guelph

Time Commitment: Five visits over a period of 5-8 weeks for a total time of ~23 hours.

Incentive: Monetary compensation will be provided.

If you are interested, please contact Philip Millar (519-824-4120 x54818) (pmillar@uoguelph.ca). This project has been reviewed by the Research Ethics Board for compliance with federal guidelines for research involving human participants.

Consent to Participate in Research Form

You are being invited to participate in a research study conducted by Dr. Justine Keathley from the Department of Human Health and Nutritional Sciences at the University of Guelph in Ontario, Canada. This study has been approved by the Research Ethics Board of the University of Guelph.

The purpose of this study is to investigate the impact of being a genetic carrier for phenylketonuria (PKU) on health and neurological outcomes. PKU is a rare genetic condition in which the amino acid phenylalanine cannot be converted fully or partly to tyrosine. This leads to a build up of phenylalanine in the brain and results in severe neurological damage and other symptoms when left untreated. PKU is generally well understood, but the potential health risks of being a genetic carrier for PKU are poorly understood.

If you have any questions or concerns about the research, please feel free to contact: Dr. Justine Keathley (jkeathle@uoguelph.ca)

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About

The College of Biological Science is a globally recognized academic faculty with a mission to expand the understanding of life, from DNA to cells to complex ecosystems. It produces intrepid and interdisciplinary research in a student-centred learning environment that encourages and promotes comprehensive understanding of the systems that govern life.

Departments

  • Department of Human Health Sciences
  • Department of Integrative Biology
  • Department of Molecular and Cellular Biology