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Nicotine’s Effects On The Brain & Body & How To Quit Smoking Or Vaping | Huberman Lab Podcast #90 [8b7ecf]
2025-09-16

Is a Blood Sugar Level of 95 Considered Normal?

When it comes to blood sugar levels, many people are left wondering what is considered normal. A level of 95 might seem acceptable, but understanding the intricacies of blood glucose regulation can help you make informed decisions about your health.

A healthy fasting blood glucose level typically falls within a range of 70-99 mg/dL for non-diabetics and those with prediabetes. However, blood sugar strip test this range may vary depending on several factors such as age, sex, weight, and overall physical condition. For instance, the American Diabetes Association recommends using an A1C test to diagnose diabetes or pre-diabetes based on blood glucose control over a 2-3 month period.

The Science Behind Normal Blood Sugar Range Explained

To understand why a level of 95 might be what happens when blood sugar levels are too high considered normal for some individuals, it's essential to delve into at what blood sugar level does nerve damage occur the science behind insulin and glucagon regulation in our bodies. Insulin is released by the pancreas when we eat carbohydrates or other energy sources that raise blood sugar levels. When glucose builds up in our bloodstream after a meal, the body releases more insulin so cells can absorb excess glucose from the blood.

Conversely, during periods of fasting or low food intake, glucagon – another hormone produced by the pancreas – helps stimulate liver glycogen breakdown and ketone production to maintain energy levels for vital organs. Maintaining an optimal balance between these two hormones is crucial in regulating normal blood sugar ranges.

What Causes Fluctuations in Your Blood Sugar Range?

Fluctuations in blood glucose can be attributed to various factors, including diet, exercise level, stress levels, sleep quality and medication use. For example, consuming a high-carbohydrate meal or experiencing significant periods of fasting can lead to fluctuations that fall outside the normal range.

Exercise also plays a crucial role as physical activity impacts our body's ability to process glucose. Regular aerobic exercises enhance insulin sensitivity by helping cells absorb more glucose from the blood stream in response to insulin signals while high-intensity interval training (HIIT) has been found effective at improving metabolic functions including can stress cause blood sugar to be high regulating blood sugar levels.

The Importance of Tracking Your Blood Sugar Range

Keeping track of your blood sugar level is essential for managing and maintaining optimal health. Monitoring your glucose levels regularly using a glucometer or continuous glucose monitor can help detect any underlying issues such as insulin resistance, prediabetes, or type 2 diabetes in its early stages.

By monitoring and controlling food intake, staying hydrated by drinking enough water throughout the day and engaging regular physical activity routine individuals with high blood sugar range have improved their overall health outcomes significantly reducing risks associated to metabolic disorders.

In this episode, I explain how nicotine impacts the brain and body, including its potent ability to enhance attention, focus, and alertness, increase blood pressure and metabolism and reduce appetite. I discuss nicotine’s ability to increase the action of neurochemicals, including dopamine, norepinephrine, and acetylcholine and activate sympathetic (alertness-promoting) neural circuits. I also discuss common nicotine delivery methods, such as cigarettes, vaping, dip, and snuff, and how they each create their own unique experience and how they, but not nicotine itself, cause cancer and other adverse health effects. I also explain science-based tools to permanently quit smoking cigarettes or vaping, including peer-reviewed clinical hypnosis tools, antidepressants, and alternative nicotine replacement (patches, lozenges, gums etc.). As nicotine is one of the most widely used substances with billions of users — most of whom report wanting to quit — this episode ought to be of interest to former/current nicotine users, those who want to quit smoking or vaping and/or those interested in learning the biology behind how nicotine impacts the brain and body. #HubermanLab #Science #Health Thank you to our sponsors AG1 (Athletic Greens): Thesis: InsideTracker: ROKA: Supplements from Momentous Social & Website Instagram: Twitter: Facebook: TikTok: LinkedIn: Website: Newsletter: Articles Predictors of smoking abstinence following a single-session restructuring intervention with self-hypnosis: Effect of hypnotic suggestion on cognition and craving in smokers: Pharmacological Approach to Smoking Cessation: An Updated Review for Daily Clinical Practice: Resources Reveri: Timestamps 00:00:00 Nicotine 00:02:47 Momentous Supplements 00:03:41 Tool: Brief Daily Meditation & Focus 00:05:59 The Arrow Model of Focus, Alpha GPC & Garlic Supplements 00:10:43 Thesis, InsideTracker, ROKA 00:14:35 Nicotine Effects vs. Methods of Delivery, Acetylcholine 00:19:55 Where is Nicotine Found? Nicotinic Acetylcholine Receptors 00:25:12 Nicotine & Effects on the Brain: Appetite, Dopamine & GABA 00:30:58 AG1 (Athletic Greens) 00:32:11 Nicotine, Acetylcholine & Attentional “Spotlighting” 00:37:29 Nicotine, Norepinephrine & Alertness/Energy 00:41:10 Nicotine & Effects on Appetite & Metabolism 00:46:47 Nicotine & Effects on Body: Sympathetic Tone 00:51:29 Nicotine & Cognitive Work vs. Physical Performance 00:55:08 Nicotine Delivery Methods & Side Effects, Young People & Dependency 00:58:35 Smoking, Vaping, Dipping & Snuffing: Carcinogens & Endothelial Cells 01:02:34 Smoking, Vaping, Dipping & Snuffing: Negative Impacts on Lifespan & Health 01:09:23 How to Quit Smoking, Nicotine Cravings & Withdrawal 01:13:56 Vaping & Nicotine, Rates of Effect Onset, Dopamine, Addiction & Depression 01:25:06 Tool: Quitting Smoking & Clinical Hypnosis, Reveri 01:30:16 Bupropion (Wellbutrin) & Quitting Smoking 01:36:24 Tool: A Nicotine Replacement Schedule to Quit Smoking, Nicotine Patch/Gum 01:41:52 Tool: Biological Homeostasis & Nicotine Withdrawal, The “First Week” Strategy 01:51:39 Zero-Cost Support, YouTube Feedback, Spotify & Apple Reviews, Sponsors, Momentous Supplements, Neural Network Newsletter, Instagram, Twitter, Facebook The Huberman Lab Podcast is for general informational purposes only and does not constitute the practice of medicine, nursing or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast or materials linked from this podcast is at the user’s own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professionals for any such conditions. Title Card Photo Credit: Mike Blabac -
Nicotine’s Effects on the Brain & Body & How to Quit Smoking or Vaping | Huberman Lab Podcast #90
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