Dominance-submission has the elements of obedience, surrender, service, discipline, demeanor, punishment and mind-fucking.

Figging is inserting ginger in the anus or the vagina to produce a burning erotic sensation

Red flags for abuse in BDSM.

BDSM induces altered states of consciousness known as sub-space and top-space

Sadism is the consensual infliction of physical or emotional pain while cruelty is to make people suffer for an ulterior goal.

Advice on what to do if a person choked during sex of BDSM is unconscious or does not have a pulse.

Scientific studies show that women who are choked have more psychological problems and changes in brain connectivity.

Choking during sex can produce brain damage from neuronal death from anoxia, reperfusion injury, and changes in heartbeat.

Asphyxia during sex can be done using an air choke or a blood choke, which block air entry or the blood supply to the brain, respectively.

Death by autoerotic asphyxiation is less common that thought. Still, choking is the most deathly BDSM activity.

Several surveys show that college students increasingly practice choking during sex

Dominance-submission frees ourselves from the psychological pressure of pride and shame.

Controversial issues in BDSM include sexual predators, consent, choking, drugs, mental problems and domestic discipline.

Review of Radical Ecstasy, by Dossie Easton and Janet Hardy, a book about the intersection of BDSM and mysticism.

Mind-fucking in BDSM presents unique challenges to avoid breaking consent, trauma, and inducing learned helplessness.

In BDSM, mind-fucking are mental games that produce defeat and surrender in the submissive.

A list of responsibilities of the dominant and the submissive that derive from the ‘safe, sane and consensual’ rules of ethical BDSM.

A survey of sadists reveals that they inflict pain to achieve pleasure, connection and intimacy.

Masochist pain activates brain areas involved in empathy, emotion and consciousness, but not in addiction.

In BDSM, sub space is an altered state of consciousness mediated by adrenaline and endorphins.