University of Southern California


HERA: Hormonal changes in Emotion Regulation and Alcohol

If you are between the ages of 21 and 40 and have a regular menstrual cycle, you may be eligible to participate in our research study examining alcohol use and the menstrual cycle. Participation will include answering surveys on your smart device, wearing a ring on your finger that measures your heart rate and skin temperature, and completing urine ovulation tests. Compensation is available for eligible individuals!

Are you eligible?

We are currently looking for individuals who:

  • Are between the ages 21 and 40
  • Have a regular menstrual cycle

Contact us, or learn more!

If you are interested in participating in the HERA study, please complete a study screening.

For more information, please call or text 213-394-9320 or email powerlab@usc.edu. All calls and surveys are confidential.


HERS: Hormone Eating and Research Study

We are currently recruiting TEENS for our research study examining  how daily exposure to ovarian hormones predict loss of control eating in adolescent girls and identify possible momentary mechanisms linking ovarian hormone exposure and loss of control eating. Compensation is available for eligible individuals! 


What is involved? 

  • An in-person visit to complete online surveys
  • A brief interview with a clinical psychologist 
  • Recording of height and weight 
  • Completing short phone surveys for 35 days 
  • Provide daily saliva collection for 35 days 
  • Wearing a commercial wearable device to measure temperature 


Are you or your child eligible? 

We are currently looking for individuals who: 

  • Are between the ages of 14-18 years old 
  • Have had their first menstrual period
  • Are struggling with their eating 


Contact us, or learn more! 

If you are interested in participating in the HERS study, please complete a study screening. For more information, please call (213) 770-7675 or email HERstudy@usc.edu. All calls and surveys are confidential. 



PREG-VAPE: Perinatal Tobacco Product Exposure on the Developing Placenta Epigenome 

This study is about investigating electronic nicotine delivery systems (ENDS) during pregnancy. The study will provide information about the biological effects of different tobacco products (ENDS, combustible cigarettes) on the developing placenta. 

If you have participated in the PREG-VAPE study and would like to get in contact with the study staff, please call or text 213-394-9320 or email powerlab@usc.edu. 


Synchrony: Smoking Cessation in Sexual Minority Couples

This study aimed to better understand attempts to quit smoking in couples. Cigarette smokers in same-sex partnerships were invited to participate. About 100 couples took part in this study. Participation involved completing questionnaires online, completing interviews via video chat and phone, and taking surveys on a smartphone for 5 weeks. 

Behavioral Effects of Estrogen and Progesterone on Smoking

This study investigated smoking in women. The outcomes of this study will help determine better treatment efforts for female smokers wanting to quit! Participation involved providing saliva samples, completing short surveys on a smartphone for 35 days, and using a carbon monoxide (CO) monitor to accurately detect participants’ smoking level.

Major depressIon, DHEA(s), Affect, and Smoking

This study studied the effects of depression on smoking behavior. This study focused on depression since depression may increase smoking dependence. All cigarette smokers over the age of 21 were invited to participate.