Do you want to try out a smart ring? Do you want to get access to smartphone application which provides insightful information about your overall health, sleep, and activity? If you are between 40-59 years old, you may be able to participate in a research study assessing the feasibility and acceptability of Oura Rings.

Is your child being hospitalized at UNC Youth Behavioral Health for suicidal thoughts or behaviors? If so, you may be eligible to participate in a research study to identify the risk factors associated with recurrence of suicidal thoughts after psychiatric hospitalization. Both you and your child must participate to be eligible for the research study. Compensation provided.

Do you drink alcohol regularly? Do you own an iPhone with Apple iOS 6 or higher? If so, you may be able to take part in a study looking at responses to alcohol and drinking behavior in people who drink alcohol regularly. We want to see how people's bodies react to alcohol in the lab and outside of it. Compensation provided.

Are you the parent of a female 13-15 year old teen? Do you have a history of depression? If so, you and your teen may be able to participate in a study looking at teenager's brain responses, emotions, social interactions, and depression risk. Families can be paid up to $375 for their participation in the study.

Do you have problems with your thinking or memory? Or a parent or sibling with dementia? If so, we'd like you to join this registry about the brain and Alzheimer's disease. In return for providing us with a little bit of your health history and background, we will connect you with researchers doing studies you can join, without obligation. Many studies pay a stipend and some offer a possible treatment.

Have you ever noticed yourself repeatedly thinking or doing specific things? Have you experienced symptoms of OCD now or in the past (even if you did not seek treatment)? Do you identify as Black? If you have (or think you might have) OCD, you may be able to participate in a study to learn more about OCD and new methods for prevention and treatment. Participants will receive $50.

Have you ever been concerned about your eating? We're inviting adults in the U.S. who have ever had anorexia nervosa, atypical anorexia nervosa, bulimia nervosa, binge-eating disorder, or avoidant/restrictive food intake disorder (ARFID) at any point in their life to take our survey. No official medical diagnosis is required. Common signs of different eating disorders may include: restricting the amount or type of food you eat or eating excessive amounts of food in one sitting. Some other possible signs are making yourself throw up, using diet pills or laxatives, excessively exercising, or fasting to alter your weight. Only with your help can we the causes and potential cures for these disorders. Eligible participants who complete Core Questionnaires and return their saliva sample will receive a $30 gift card.

Have you torn your ACL and undergone reconstruction surgery? Or do you have no history of lower extremity surgery? You may be eligible to participate in a research study to determine the effects of stroboscopic vision on walking gait biomechanics in those who have torn their ACL, and if somatosensory function may influence these changes.

What factors influence how the brain takes in sugar to use it as energy? If you are between the ages of 18-45 years old and are healthy and of normal weight, you might be eligible to participate in this study to help us understand how the way sugar enters the body affects how sugar enters the brain.

Do you want to know more about your calf muscles? Do you get tired easily? You may be able to participate in a research study to find out the effect of your calf muscle length on your muscle activity and fatigue.