We just hosted another incredible live Q&A with Dr. Peter Rogers. Over 100 of your questions poured in, covering everything from atrial fibrillation, fatty liver, cataracts, intermittent fasting, protein powders, supplements, and so much more.
If you’ve ever wondered about:
* Can a low-fat vegan diet reverse hormone imbalances?
* The real risks of statins and creatine
* Why so many people are confused about protein
* Whether drinking distilled water is safe
* The surprising link between stress, sleep, and dementia
* How to exercise smartly as you age
…then this is a session you don’t want to miss.
Dr. Rogers’ YouTube channel: @PeterRogersMD
My substack: https://vegsource.substack.com/
My website:
https://www.vegsource.com
Timestamp Contents – Dr. Peter Rogers Q&A
00:04 – Intro
Jeff Nelson introduces Dr. Rogers, explains the format.
01:34 – Can a low-fat vegan diet lower androgens in women?
Discussion of PCOS, hormones, and environmental estrogens.
02:26 – Carotid artery blockage & stroke risk
Dr. Rogers explains collateral flow, dementia prevention, lifestyle factors.
05:07 – Can a 76-year-old safely lose weight via intermittent fasting?
Critique of IF hype, focus on whole foods.
06:07 – Overeating starches (plain potatoes) without losing weight
How to judge health beyond body weight.
06:59 – Is there a cure for cataracts?
Dairy/alcohol associations, personal anecdote.
09:34 – Why is height often ignored in longevity studies?
Centenarians, gender differences, blood pressure.
11:43 – High triglycerides despite low-fat vegan diet
Fruit and sugar intake, starch swap advice.
13:35 – Creatine for older adults?
Dr. Rogers strongly advises against; kidney risk, contamination.
15:53 – Fatty liver: what does it mean, how to heal it?
Broad philosophy of medicine, ties to diabetes/hypertension.
18:10 – Statins: would you ever recommend them?
Risks vs. last resort; mitochondria inhibition.
20:14 – Protein craze & powders
Heavy metals, kidney stress, longevity studies.
22:20 – Which is better: low-fat with some lean animal protein, or vegan with 20–30% fat?
Trade-offs; cancer vs. atherosclerosis.
23:31 – Is obesity a disease or a risk factor?
Both; segues into masturbation/prostate cancer jokes.
24:28 – Is seitan (wheat meat) healthy?
High glutamate, excitotoxin concerns.
25:10 – Optimal pulse pressure, dehydration effect
Hypertension, leaky gut, amyloid clotting.
28:46 – Drinking distilled water – need to add minerals?
Risks of hypo-osmolarity, compares with RO.
31:13 – Stress and weight changes
Cortisol, sleep, lifestyle.
32:14 – Why did I develop AFib on a McDougall diet?
280 possible causes; refer to his book.
33:12 – Soy & flax controversy
Old papers, estrogenic risks, GMO/glyphosate issues.
36:44 – If cost not an issue, what research would you do?
Research corruption, “standard of care” critique.
39:38 – Collagen peptides for joint pain
Placebo vs. root causes (glycine, glyphosate).
42:15 – Can you build muscle on low-protein vegan diet?
Strength, mTOR, cancer risk, IBS issues.
46:00 – Roman army vegetarian diet anecdote
Will Durant quote, Roman soldiers preferred vegetarian meals before battle.
46:47 – Dry eye syndrome, possible autoimmune causes
Sjögren’s, toxins, dental issues.
48:34 – Sodium levels in low-salt vegans (hyponatremia)?
Ranges from Yanomami to Korea; context matters.
51:21 – Dropping LP(a) after fasting
Jeff’s TrueNorth experience, Rogers skeptical of “unchangeable” claims.
52:18 – Elevated triglycerides despite low-fat vegan
Revisit sugar/starch causes.
52:34 – LDL still ~90 despite vegan diet
53:04 – Veggie burgers cooked on same grill as meat
53:59 – AI-based soft plaque tests vs. lifestyle
56:09 – Baking soda instead of toothpaste?
59:24 – Sun exposure and Vitamin D
1:00:30 – Exercise recommendations
1:00:30 – How much exercise for general health (aerobic vs. anaerobic, weights vs. body-weight)?
1:03:19 – “Keep moving” micro-habits
1:04:53 – Decaf coffee okay?
1:05:30 – 80-year-old WFPB male, RBC 3.3 → hematology suggested bone marrow biopsy; what else could cause?
1:19:45 – Best way to lower homocysteine?
1:21:10 – Is red-light therapy useful or just a fad?
1:27:18 – Sunlight → mitochondria + segue
1:27:29 – Best solution to reverse CKD?
1:39:59 – Sun exposure still yields low vitamin D—supplement?
1:45:33 – “What do you eat on OMAD?” & triglycerides context
1:48:22 – Performance heuristic & “slow poisons”
2:17:26 – NYT article on skin-cancer treatments & incentives
2:18:21 – Over-screening caution (“Hotel California” of radiology)
2:18:58 – Does removing a cancerous tumor help?
2:20:48 – Q about Dr. McDougall’s cause of death → pivot
2:21:25 – Multi-vitamin + DHA/EPA as “insurance”—smart or harmful?
2:23:02 – Exercise recs for 65+ (follow-up)
2:24:13 – Thyroid issues & memory
2:25:23 – Heavy sweating & electrolyte powders?
2:27:33 – High p-tau217 & APOE4—how to lower Alzheimer’s risk?

