Dr. Daniel Stickler speaks about Healthy Biological Aging with Dr. Ben Weitz.
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Podcast Highlights
4:10 The difference between biological age and chronological age is that biological age or epigenetic age reflects the overall health of the system. We are talking about health span as compared with life span. One way to think about biological age is that lower biological age is associated with greater levels of function–physiological, physical, and cognitive.
9:50 We know that as we age, we tend to accumulate damage to our DNA. The telomere test is one way to measure damage to our DNA as a measure of biological age. Telomeres are the ends of our chromosomes that tend to shorten with age, though we are not sure if telomere length is a result of aging or a cause of aging. Another marker of aging is GlycanAge, which measures glycans that build up in your bloodstream.
12:25 Dr. Stickler said that when he is looking at markers of aging he will do DEXA scans of patients to look at lean body mass and bone density testing. EEG studies can be helpful, since certain brain wave patterns are indicative of aging. He will perform skin glycation scanning with immunofluoresence. He will also measure senescent T-cell levels to look at naive (young) vs aged T cells in the blood.
13:05 Dr. Stickler looks at functional mobility and balance. He will look at a bunch of blood metrics like albumin and uric acid levels. He also looks at hormone levels. They are trying to figure out a way to test intracellular NAD levels.
15:02 The methylation clock was first developed by Dr. Steve Horvath of UCLA and it looks at specific methylation patterns on our DNA. The Horvath Clock was developed in 2013 by looking at a constellation of epigenetic marks on the DNA that correspond to chronological or physiological age. Dr. Horvath now has the GrimAge Clock, which is an updated version, which looks at a couple of hundred methylation points on the DNA. Last September we saw the first study published that showed an epigenetic age reversal, the TRIIM Trial by Fahy, et al, which stands for the Thymus Regeneration, Immunorestoration, and Insulin Mitigation trial. [Reversal of epigenetic aging and immunosenescent trends in Humans] Gregory Fahy, Steve Horvath and the other authors showed that their intervention resulted in a reversal of aging of 2.5 years, the first time this has ever been proven. The intervention used a combination of growth hormone, DHEA, metformin, 50 milligrams of zinc, and 3000 milligrams of vitamin D.
24:32 There are a lot of products on the market now that have anti-aging benefits, including Rejuvant, which was developed by Stanford’s Buck Institute on Aging that contains calcium AKG. Also, there is NMN (nicotinamide mononucleotide), an NAD precursor, and there are also senolytics like quercetin and fisetin. Disatinib is a prescription medication that induces apoptosis in senescent cells.
45:03 Dr. Stickler does recommend resveratrol for anti-aging, though it is probably not a powerful stimulator of NAD. He recommends a multivitamin, 5000 IU vitamin D, 2 gm of fish oil, and sublingual or injections of B12.
Dr. Daniel Stickler is the co-founder and Chief Medical Officer at Apeiron ZOH, Inc. He is a physician for high-performing executives, entrepreneurs, and elite athletes. He consults with Google for wearable technology, epigenetics, and AI in healthcare. He is on the faculty of the Age Management Medical Group and is also a gu...