Harvard fasting researcher discusses clinical trial evidence on meal timing and metabolism
According to the video description, Harvard researcher Dr. Courtney Peterson discusses what clinical trial data says about intermittent fasting, meal timing, blood sugar, weight loss and healthy aging, and why fasting headlines can mislead. [1]
Automatic summary · not editorially reviewed
The key findings
The description presents Dr. Courtney Peterson as a Harvard nutrition researcher who runs controlled clinical trials on intermittent fasting in humans and led the first human trial of early time-restricted eating. [1]
The description says her work helped establish meal timing as a distinct variable in metabolic health alongside diet composition and total calorie intake. [1]
The description lists what 27 of 28 clinical diabetes studies showed about intermittent fasting as a topic of the episode, without stating the result. [1]
The source at a glance
- Study type / format
- Video description of a podcast episode
- Population / context
- Humans in clinical trials on intermittent fasting, as described
- Summary based on
- Creator description
- Original publication
- May 13, 2026
Peterson's fasting research focus
The description presents Dr. Courtney Peterson as an associate professor of nutrition at Harvard who runs controlled clinical trials on intermittent fasting in humans. It says she led the first human clinical trial of early time-restricted eating, which aligns the daily eating window with the body's internal clock, and that her work helped establish meal timing as a distinct variable in metabolic health alongside diet composition and total calorie intake. The episode is framed as a conversation with Chris Wharton about what rigorous clinical trial data says, not what headlines say.
Supporting source [1]
Topics listed for the fasting episode
The description lists topics the episode is said to cover: why fasting may not work by burning more calories, the most important variable in a fasting protocol, why the timing of the eating window may matter more than the window itself, and what 27 of 28 clinical diabetes studies showed about intermittent fasting. It also names realistic short- and long-term weight loss results, effects on hunger hormones, populations who may benefit most from time-restricted eating and those who should not fast, and possible support for women's metabolic health and healthy aging. These are described as topics, not reported results.
Supporting source [1]
Description-only scope of this episode
The description says Peterson is a member of the international scientific committee that formally defined intermittent fasting and that her research aims to develop dietary strategies to prevent and reverse type 2 diabetes and obesity. It also says fasting headlines can be misleading. No actual trial numbers, participant counts, follow-up periods or effect sizes appear in the description, so the clinical findings themselves cannot be checked here.
Supporting source [1]
How to interpret this
Only the video description was available; the video and transcript were not reviewed. The description lists topics and claims but gives no trial numbers, participant counts, follow-up periods or effect sizes, so the clinical findings cannot be verified here.
Based on the creator’s description; the full video and transcript were not analyzed.
Source & supporting passages
The LIVING Room Podcast | Inside The WNDR Lab · youtube.com · May 13, 2026