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Dr. Izabella Wentz discusses adrenal fatigue and the HPA axis, highlighting key signs of adrenal issues such as brain fog, morning fatigue, and feeling wired yet tired at night. She explains that brain fog in individuals with adrenal dysfunction can manifest as difficulty with word finding and memory lapses, often mistaken for early dementia. The adrenals, located atop the kidneys, produce stress hormones like cortisol, which are essential for survival. An imbalance in cortisol levels can lead to chronic health issues, including autoimmune conditions like Hashimoto's. Wentz emphasizes the impact of chronic stress on adrenal health, noting that many patients report significant stressors preceding their illnesses. She describes the HPA axis as a communication system between the brain and adrenals, where dysfunction can lead to improper cortisol production. Women are often more affected by adrenal issues, possibly due to their heightened sensitivity to environmental stressors. Wentz shares her personal journey with adrenal dysfunction, beginning after the traumatic loss of a loved one, which led to various health problems, including Hashimoto's. She developed an adrenal protocol that includes lifestyle changes, dietary adjustments, and targeted supplements. Key recommendations include prioritizing sleep, reducing caffeine, and ensuring adequate protein and fat intake to stabilize blood sugar levels. The protocol has evolved to focus on sending "safety signals" to the body, emphasizing the importance of nutrition, circadian rhythm alignment, and positive affirmations. Wentz highlights the significance of addressing underlying beliefs that hinder healing, such as feeling undeserving of health. Testing for adrenal dysfunction can be helpful but is not always necessary, as symptoms often guide treatment. In her upcoming book, *Adrenal Transformation Protocol*, Wentz aims to provide a comprehensive guide for individuals struggling with adrenal issues, offering practical strategies for recovery and empowerment.

Welcome to the Huberman Lab podcast. I'm Andrew Huberman, a professor at Stanford, and today we're discussing cortisol, its importance, and how to manage it to avoid or overcome burnout. Cortisol is often labeled as a stress hormone, but it plays a crucial role in energy deployment and overall well-being. The key takeaway is to maintain a proper cortisol rhythm: high in the morning shortly after waking and low in the evening before sleep. This rhythm is essential for health, mood, sleep, and performance. If you're feeling burnt out, wired and tired, or experiencing morning anxiety, adjusting your cortisol rhythm can help. Cortisol is produced in the adrenal glands and is involved in energy regulation, particularly glucose release into the bloodstream. It acts on a slower time scale compared to adrenaline, which is released quickly in response to stress. Understanding cortisol's role as an energy hormone rather than just a stress hormone is crucial. Your cortisol levels fluctuate throughout the day, with a specific pattern: minimal secretion before sleep, a slight rise during the early hours of sleep, a significant increase during the last hours of sleep, and a sharp spike upon waking. This spike is known as the cortisol awakening response (CAR), which is vital for feeling alert in the morning. To optimize cortisol levels, get bright light exposure within the first hour of waking. Sunlight is best, but a 10,000 lux artificial light can also work. Hydration is also important; drinking water first thing in the morning can help increase alertness and cortisol levels. Caffeine can be beneficial but should be consumed later in the morning to avoid a sharp decline in cortisol levels. Exercise is another effective way to manage cortisol. Regular exercise at the same time each day can help anchor your cortisol rhythm. However, exercising late in the day can spike cortisol levels, which may disrupt sleep. If you must work out later, ensure you consume starchy carbohydrates afterward to help lower cortisol. In the evening, it's essential to keep cortisol low. Dim lights and avoid bright screens, especially those emitting blue light, which can increase cortisol levels. Engaging in calming activities, such as breathing exercises or non-sleep deep rest (NSDR), can help reduce stress and lower cortisol. For those experiencing burnout, there are two patterns: one where individuals wake up stressed and crash in the afternoon, and another where they feel sluggish in the morning but are wired at night. Each pattern requires different strategies to manage cortisol effectively. Supplements like ashwagandha and apigenin can help lower cortisol levels, but they should be used in conjunction with behavioral strategies. Ashwagandha can reduce cortisol by 11% to 29%, while apigenin, found in chamomile tea, can also be beneficial. Understanding and managing your cortisol rhythm is crucial for overall health, mood, and cognitive function. By implementing these strategies, you can improve your energy levels, focus, and sleep quality. Thank you for joining today's discussion on cortisol. If you enjoyed this episode, please subscribe and check out the sponsors mentioned.

In this episode of Huberman Lab Essentials, Andrew Huberman discusses the roles of cortisol and epinephrine (adrenaline) in regulating energy levels and immune function. Cortisol, a steroid hormone derived from cholesterol, is crucial for energy and immune health but should be managed to avoid chronic elevation. Epinephrine, often viewed negatively, actually enhances immunity and neuroplasticity. Huberman emphasizes the importance of morning sunlight exposure to optimize cortisol release and suggests practices like cold exposure and high-intensity training to boost energy and immune response. He also highlights the need to manage stress effectively, as chronic stress can lead to negative health outcomes. Understanding and regulating these hormones can improve overall well-being.