Featured News and Research Highlights
January 15, 2026
New Data Available from Add Health
Add Health is excited to announce the release of three new biomarker datasets: Wave VI Biomarker Weights Wave VI Renal Function Wave VI Neurodegeneration In addition, we are releasing two new Mortality Outcomes Surveillance datasets: Mortality Outcomes Surveillance: Coroner/Medical Examiner Report Data, 2018 Update Mortality Outcomes Surveillance: Death Certificate Data,...
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January 9, 2026
Loneliness During Adolescence and Subsequent Health and Well-Being in Adulthood: An Outcome-Wide Longitudinal Approach
Using nationally representative data from Waves I, II, IV, and V of the National Longitudinal Study of Adolescent to Adult Health (Add Health), Dr. Kim et. al. examined the impact of loneliness during adolescence on health and well-being later in adulthood. Loneliness was measured with a survey question asking how...
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December 19, 2025
Wave V Epigenetic Clocks Data Now Available
Add Health is excited to announce the following data are now available: Wave V Epigenetic Clocks: Biological aging measures were derived from DNA methylation data for 4,626 unique study participants based on blood collected during the Wave V home exam. The measures include Horvath, PhenoAge, GrimAge, DunedinPACE, Principal Component clocks,...
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December 16, 2025
Pollution Exposure and Allergies and Asthma: Evidence from the Add Health Study
A recent study using nationally representative data from Waves IV and V of the National Longitudinal Study of Adolescent to Adult Health (Add Health) examines the effects of long-term exposure to two widely cited pollutants, ozone (O₃) and particulate matter 2.5 (PM₂.₅), on allergy and asthma diagnoses in adolescents and...
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