Rhonda Patrick, Ph.D. discusses Sulforaphane and Its Effects on Cancer, Mortality, Aging, Brain and Behavior, Heart Disease & More

 

Key sections:
00:01:14 – Cancer and mortality
00:19:04 – Aging
00:26:30 – Brain and behavior
00:38:06 – Final recap
00:40:27 – Dose

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Full timeline:
00:00:34 – Introduction of sulforaphane, a major focus of the video.
00:01:14 – Cruciferous vegetable consumption and reductions in all-cause mortality.
00:02:12 – Prostate cancer risk.
00:02:23 – Bladder cancer risk.
00:02:34 – Lung cancer in smokers risk.
00:02:48 – Breast cancer risk.
00:03:13 – Hypothetical: what if you already have cancer? (interventional)
00:03:35 – Plausible mechanism driving the cancer and mortality associative data.
00:04:38 – Sulforaphane and cancer.
00:05:32 – Animal evidence showing strong effect of broccoli sprout extract on bladder tumor development in rats.
00:06:06 – Effect of direct supplementation of sulforaphane in prostate cancer patients.
00:07:09 – Bioaccumulation of isothiocyanate metabolites in actual breast tissue.
00:08:32 – Inhibition of breast cancer stem cells.
00:08:53 – History lesson: brassicas were established as having health properties even in ancient Rome.
00:09:16 – Sulforaphane’s ability to enhance carcinogen excretion (benzene, acrolein).
00:09:51 – NRF2 as a genetic switch via antioxidant response elements.
00:10:10 – How NRF2 activation enhances carcinogen excretion via glutathione-S-conjugates.
00:10:34 – Brussels sprouts increase glutathione-S-transferase and reduce DNA damage.
00:11:20 – Broccoli sprout drink increases benzene excretion by 61%.
00:13:31 – Broccoli sprout homogenate increases antioxidant enzymes in the upper airway.
00:15:45 – Cruciferous vegetable consumption and heart disease mortality.
00:16:55 – Broccoli sprout powder improves blood lipids and overall heart disease risk in type 2 diabetics.
00:19:04 – Beginning of aging section.
00:19:21 – Sulforaphane-enriched diet enhances lifespan of beetles from 15 to 30% (in certain conditions).
00:20:34 – Importance of low inflammation for longevity.
00:22:05 – Cruciferous vegetables and broccoli sprout powder seem to reduce a wide variety of inflammatory markers in humans.
00:23:40 – Mid-video recap: cancer, aging sections
00:24:14 – Mouse studies suggest sulforaphane might improve adaptive immune function in old age.
00:25:18 – Sulforaphane improved hair growth in a mouse model of balding. Picture at 00:26:10.
00:26:30 – Beginning of brain and behavior section.
00:27:18 – Effect of broccoli sprout extract on autism.
00:27:48 – Effect of glucoraphanin on schizophrenia.
00:28:17 – Start of depression discussion (plausible mechanism and studies).
00:31:21 – Mouse study using 10 different models of stress-induced depression show sulforaphane similarly effective as fluoxetine (prozac).
00:32:00 – Study shows direct ingestion of glucoraphanin in mice is similarly effective at preventing depression from social defeat stress model.
00:33:01 – Beginning of neurodegeneration section.
00:33:30 – Sulforaphane and Alzheimer’s disease.
00:33:44 – Sulforaphane and Parkinson’s disease.
00:33:51 – Sulforaphane and Hungtington’s disease.
00:34:13 – Sulforaphane increases heat shock proteins.
00:34:43 – Beginning of traumatic brain injury section.
00:35:01 – Sulforaphane injected immediately after TBI improves memory (mouse study).
00:35:55 – Sulforaphane and neuronal plasticity.
00:36:32 – Sulforaphane improves learning in model of type II diabetes in mice.
00:37:19 – Sulforaphane and duchenne muscular dystrophy.
00:37:44 – Myostatin inhibition in muscle satellite cells (in vitro).
00:38:06 – Late-video recap: mortality and cancer, DNA damage, oxidative stress and inflammation, benzene excretion, cardiovascular disease, type II diabetes, effects on the brain (depression, autism, schizophrenia, neurodegeneration), NRF2 pathway.
00:40:27 – Thoughts on figuring out a dose of broccoli sprouts or sulforaphane.
00:41:01 – Anecdotes on sprouting at home.
00:43:14 – On cooking temperatures and sulforaphane activity.
00:43:45 – Gut bacteria conversion of sulforaphane from glucoraphanin.
00:44:24 – Supplements work better when combined with active myrosinase from vegetables.
00:44:56 – Cooking techniques and cruciferous vegetables.
00:46:06 – Isothiocyanates as goitrogens.

 

Jed Fahey, Sc.D. on Isothiocyanates, the Nrf2 Pathway, Moringa & Sulforaphane Supplementation

 
Dr. Fahey does a Q & A about topics in the video