RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

8 results for "endorphins"

X_2_01 Verified Medicine & Healing

X_2_01 — Psychosomatic Medicine and Placebo Science

The placebo effect — measurable physiological change resulting from the belief or expectation of treatment rather than the treatment's pharmacological action — is among the most replicated and least understood phenomena

psychosomatic medicine placebo effect nocebo psychoneuroimmunology mind-body medicine stress response
X_1_10 Verified Medicine & Healing

X_1_10 — Acupuncture and Meridian Theory

Acupuncture — the insertion of thin needles into specific points on the body to treat pain and disease — is one of the most widely practiced and scientifically studied forms of traditional medicine, yet remains among the

acupuncture meridian qi Traditional Chinese Medicine needling moxibustion
T_2_13 Verified Psychology & Social

T_2_13 — Placebo and Nocebo Effects

The placebo effect — a measurable physiological or psychological improvement in response to an inert treatment — is one of the most robust and well-documented phenomena in medicine and psychology, while the nocebo effect

placebo effect nocebo effect placebo response expectation conditioning endorphins
Y_5_09 Credible Altered States

Y_5_09 — Firewalking: Altered States, Pain Override, and Ritual Confidence

Firewalking — the practice of walking barefoot over a bed of hot embers, coals, or heated stones — is one of the most dramatic and visually arresting ritual practices in world culture, documented across diverse tradition

firewalking fire ritual Anastenaria pain override Leidenfrost effect endorphins
Y_5_08 Credible Altered States

Y_5_08 — Sweat Lodge and Heat-Induced Altered States

The sweat lodge — and heat-induced altered states more broadly — represents one of the most ancient and geographically widespread methods of intentionally altering consciousness through controlled hyperthermia: sustained

sweat lodge inipi Lakota sauna banya heat therapy
Y_5_11 Verified Altered States

Y_5_11 — Endurance Exercise and Runner's High: Movement-Induced Altered States

Endurance exercise — sustained aerobic physical activity such as distance running, cycling, swimming, or cross-country skiing — is one of the most reliable, accessible, and physiologically well-understood pathways to alt

runner's high endocannabinoid endorphins transient hypofrontality ultra-marathon exercise
Y_5_07 Verified Altered States

Y_5_07 — Phenomenology of Pain and Pain Modulation

Pain — defined by the International Association for the Study of Pain (IASP, revised 2020) as "an unpleasant sensory and emotional experience associated with, or resembling that associated with, actual or potential tissu

pain nociception pain modulation gate control theory Melzack Wall
Y_3_03 Verified Altered States

Y_3_03 — Flow States and Peak Performance — Psychology of Optimal Experience

Flow — the state of complete absorption in an activity where self-awareness dissolves and performance peaks — was systematically described by psychologist Mihaly Csikszentmihalyi beginning in 1975 and formalized in his l

flow state Csikszentmihalyi peak performance transient hypofrontality optimal experience mushin