All studies / No. 1
No. 1 · THE LONGEST STUDY · DNA AGE TEST
Six months. One DNA test. 3.44 years younger on average.
Your birthday says how old you are. A DNA test can estimate how old your body acts. Dr. Jennie Hsu, MD, tested that before and after about six months of EESystem sessions.
- Who ran it
- Jennie Hsu, MD, Wellness Visions, Richmond, California
- People
- 26 adults, ages 41 to 75. 23 had all three tests.
- How much time
- About 52 hours in a 24-unit EESystem over about six months, roughly two hours a week
- Measured with
- DNA tests by TruDiagnostic (DunedinPACE and OMICmAge), blood work and questionnaires
- Paper
- Version 11, October 23, 2026
What they found
Body age. Across the 23 people with a final test, their bodies came out 3.44 years younger on average, compared to their real age. Body age compared to real age went down for 19 of the 23.
Aging speed. A test called DunedinPACE reads how fast the body is aging. A score of 1.0 means one year of aging per calendar year.
| Test | Average aging speed | People aging faster than the calendar |
|---|---|---|
| Start | 0.99 | 10 of 23 |
| 3 months | 0.91 | 5 of 23 |
| 6 months | 0.88 | 3 of 23 |
Aging speed went down for 21 of the 23 people.
What people said
At six months, 23 of the 26 answered nine questions about how they felt. Dr. Hsu sorted the answers by area. Here is how many people said each area got better.
| Area | Said better (of 26) |
|---|---|
| Peace of mind | 23 |
| Calm under stress | 20 |
| Energy | 20 |
| Purpose and connection | 15 |
| Body and mind | 15 |
| Deeper sleep | 13 |
| Bouncing back | 13 |
| Strength and exercise | 13 |
“Overnights have had the greatest effect.” A study participant