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适应原是什么？——Dr. Berg 详解 Ashwagandha

What are Adaptogens? – Ashwagandha Explained by Dr. Berg

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什么是适应原？南非醉茄详解

摘要

适应原是一类能增强机体适应压力、抵抗有害因素损伤的植物或草药。它们通过支持homeostasis——机体内部平衡——发挥作用，能将失衡的生理指标恢复至正常水平。Berg博士重点介绍了四种关键适应原，其中南非醉茄（Ashwagandha）是他的首选推荐。

核心要点

  • 适应原是一类天然物质（通常为植物或草药），能产生适应或调节压力的能力
  • “adaptogen”一词由拉丁语 adaptare（调整或适应）与希腊语 gen（由……产生）组合而成，字面意思为”产生适应能力之物”
  • Stress被定义为任何威胁homeostasis——机体稳态平衡——的因素
  • 适应原具有双向调节作用：既能降低升高的指标（如偏高的Cortisol 皮质醇），也能提升受抑制的功能（如减弱的免疫系统）
  • Ashwagandha是Berg博士首选的适应原，相关研究显示其可使Cortisol 皮质醇降低约20%
  • 文中提及的四种优选适应原：西伯利亚人参、Panax Ginseng（人参）、Rhodiola（红景天）和Ashwagandha（南非醉茄）
  • Ashwagandha尤其适合因肾上腺压力而困扰的人群

详细内容

什么是稳态（Homeostasis）？

稳态是指机体持续维持的稳定内部环境。正常稳态数值示例包括：

  • 体温： 98.6°F
  • 脉搏： 约72次/分钟
  • 血压： 120/80 mmHg
  • 血糖： 约82 mg/dL

上述每项数值均由特定生理机制调控。当压力扰乱这些数值时，适应原有助于恢复平衡。

适应原的作用机制

适应原并非单向推动机体，而是使生理功能趋于正常：

  • 若Cortisol 皮质醇因压力而升高，适应原有助于将其降低
  • 若immune system受到抑制，适应原有助于恢复其活性

这种双向正常化作用，正是适应原区别于兴奋剂或镇静剂的关键所在。

四种推荐适应原

  1. 西伯利亚人参（Siberian Ginseng） ——一种广为人知的适应性草药，用于提升整体抗压能力
  2. 人参（Panax Ginseng） ——传统医学中广泛应用的经典适应原
  3. Rhodiola（红景天） ——以其压力调节特性而备受推崇
  4. Ashwagandha（南非醉茄） ——Berg博士的最爱，文中所提及的适用范围最为广泛

Ashwagandha：具体功效

  • 炎症性疾病，如关节炎
  • 缓解Anxiety（焦虑）
  • 支持ADHD（注意力缺陷多动障碍）
  • 整体减压
  • 降低Cortisol（皮质醇） ——所引用研究显示皮质醇水平可降低约20%
  • 支持**adrenal fatigue（肾上腺疲劳）**及肾上腺压力的应对

相关概念

English Original 英文原文

What Are Adaptogens? Ashwagandha Explained

Summary

Adaptogens are plants or herbs that enhance the body’s ability to adapt to stress and resist damage from harmful factors. They work by supporting homeostasis — the body’s internal equilibrium — and can bring imbalanced physiological markers back to normal levels. Dr. Berg highlights four key adaptogens, with ashwagandha as his top recommendation.

Key Takeaways

  • Adaptogens are natural substances (typically plants or herbs) that generate the ability to adapt or adjust to stress
  • The word “adaptogen” combines the Latin adaptare (to adjust or fit) and the Greek gen (produced by), literally meaning “that which generates adaptability”
  • Stress is defined as anything that threatens homeostasis — the body’s steady state of equilibrium
  • Adaptogens work bidirectionally: they can lower elevated markers (e.g., high Cortisol 皮质醇) or raise suppressed ones (e.g., a weakened immune system)
  • Ashwagandha is Dr. Berg’s top adaptogen pick, supported by studies showing a ~20% reduction in Cortisol 皮质醇
  • Four preferred adaptogens mentioned: Siberian ginseng, Panax ginseng, Rhodiola, and Ashwagandha
  • Ashwagandha is particularly noted for supporting people dealing with adrenal stress

Details

What Is Homeostasis?

Homeostasis refers to the stable internal environment the body constantly maintains. Examples of normal homeostatic values include:

  • Body temperature: 98.6°F
  • Pulse rate: ~72 bpm
  • Blood pressure: 120/80 mmHg
  • Blood sugar: ~82 mg/dL

Each of these values is regulated by specific physiological mechanisms. When stress disrupts these values, adaptogens can help restore balance.

How Adaptogens Work

Rather than pushing the body in one direction, adaptogens normalize physiological function:

  • If Cortisol 皮质醇 is elevated due to stress, adaptogens help bring it down
  • If the immune system is suppressed, adaptogens can help restore its activity

This normalizing, two-way action is what distinguishes adaptogens from stimulants or sedatives.

  1. Siberian Ginseng — a well-known adaptogenic herb for general stress resilience
  2. Panax Ginseng — a classic adaptogen used widely in traditional medicine
  3. Rhodiola — valued for its stress-modulating properties
  4. Ashwagandha — Dr. Berg’s favorite, with the broadest list of applications mentioned

Ashwagandha: Specific Benefits Mentioned

  • Inflammatory conditions such as arthritis
  • Anxiety reduction
  • ADHD support
  • General stress reduction
  • Cortisol lowering — studies cited show approximately a 20% reduction in cortisol levels
  • Support for adrenal fatigue and adrenal stress

Mentioned Concepts

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