Skin conditions
Active eczema or dermatitis, or history of severe eczema
Active psoriasis which affects more than 5 % of the body surface
Active severe acne( with or without treatment)
Reproductive conditions
Symptomatic endometriosis
Current, recurrent or prolonged history of prostatitis
Current pregnancy; or childbirth or breast feeding within the last 12 months
Current or prolonged history of pelvic or scrotal pain
Current or unsuccessful treatment for urethral abnormalities
Other
Gluten sensitivity( Coeliac disease)
Current and previous diagnosis of cancers or Leukaemia within the last 5 years
Sickle cell disease( sickle cell trait permissible)
Heat illness requiring medical intervention( e. g., hospital admission)
Frostbite or non-freezing cold injury
All congenital, chromosomal, and genetic disorders
Severe allergic reactions( and / or anaphylaxis)
Confirmed food, vaccine, or latex allergy
Raynaud’ s phenomenon
Chronic fatigue syndrome, myalgic encephalomyelitis( ME), post viral syndrome, fibromyalgia or associated disorders in the last 2 years, or lasting more than 6 months.
Head injury with prolonged or persistent neurological, psychiatric, or intellectual symptoms
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