HoldsUp

Elissa Epel

University of California, San Francisco

Elissa Epel, PhD, is a professor in the Department of Psychiatry at the University of California, San Francisco, where she directs the Aging, Metabolism, and Emotions Center. Her research focuses on stress biology and the mechanisms underlying healthy and cellular aging. Her published work investigates the relationships between perceived stress, telomere dynamics, eating behaviors, metabolic health, and social factors.

41 claims checked on air: 1 context 1 contradicted 2 overstated 34 supported 3 unverified 3 flagged

What they said on air - flagged

0:03:02overstatedhighDr. Elissa Epel on Telomeres and the Role of Stress Biology

Life expectancy in the United States is approximately 78 years for men and 83 years for women.

"So for men, life expectancy is around 78 years in the United States, for women it's around 83 years." (said at 0:03:02)

According to National Vital Statistics Reports from the Centers for Disease Control and Prevention (CDC), life expectancy at birth in the United States is lower than stated for both sexes. In 2023, life expectancy at birth was 75.8 years for males and 81.1 years for females (with an overall population average of 78.4 years). Pre-pandemic 2018 figures were similarly 76.2 years for males and 81.2 years for females. The speaker appears to have mistaken the overall population life expectancy (~78 years) for male life expectancy and overstated female life expectancy (~81 years vs. the claimed 83 years).

0:17:00overstatedlowDr. Elissa Epel on Telomeres and the Role of Stress Biology

Heavy metal exposure to cadmium and lead is associated with shorter telomeres in a dose-response manner.

"So heavy metals, cadmium, lead, those are directly in a dose-response way related to our telomere shortness." (said at 0:17:00)

Epidemiological studies, notably large NHANES analyses, demonstrate a clear, statistically significant dose-response association between cadmium exposure (measured in blood and urine) and shorter leukocyte telomere length. However, the evidence for lead exposure is mixed and inconsistent: major population-level analyses found no significant association between blood lead concentration and telomere length, though some subgroup models observed modest inverse associations. Stating that both cadmium and lead are definitively linked to telomere shortening in a direct dose-response manner overstates the evidence regarding lead.

0:29:06contradictedlowDr. Elissa Epel on Telomeres and the Role of Stress Biology

Studies by Eli Puterman show that exercise reduces ruminative thought processes.

"Your n of 1 has also been shown up in, you know, studies of exercise and studies by Eli Puterman showing that exercise actually does reduce ruminative processes." (said at 0:29:06)

The speaker mischaracterizes the findings of research led by Eli Puterman. In the primary published study on this topic by Puterman and colleagues (2011), physical activity was examined as a moderator of the physiological stress response, not as an intervention that reduced rumination itself. The study found that being physically active buffered the body against the adverse effects of stressor-induced rumination on cortisol reactivity and recovery (i.e., active individuals did not show the elevated and prolonged cortisol output seen in sedentary individuals who ruminated), but it did not show that exercise reduced ruminative thought processes.

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