Prince Harry's US visa could be revoked after his claims that weed and psychedelics were a "fundamental" part of his life.
The royal told therapist Dr Gabor Mate he began using weed and ayahuasca - a psychoactive drink - to help cope with trauma from his past.
His admission came as part of an interview for Dr Mate's The Myth of Normal: Trauma, Illness, and Healing in a Toxic Culturen which he claimed: "I started doing it recreationally and then started to realize how good it was for me."