Symptoms from long term low-level exposure or residual symptoms from exposure events include: :

AEROTOXIC SYNDROME neurotoxic symptoms: numbness (fingers, lips, limbs), parathesias; neuropsychological symptoms: memory impairment, forgetfulness, lack of co-ordination, severe headaches, dizziness, depression, sleep disorders; gastro-intestinal symptoms: salivation, nausea, vomiting, diarrhoea respiratory symptoms: breathing difficulties (shortness of breath), tightness in chest, respiratory failure, susceptibility to upper respiratory tract infections; cardiovascular symptoms: chest pain, increased heart rate and palpitations; skin symptoms: skin itching and rashes, skin blisters (on uncovered body parts), hair loss; irritation of eyes, nose and upper airways; sensitivity: signs of immunosupression, chemical sensitivity leading to acquired or multiple chemical sensitivity; general: weakness and fatigue (leading to chronic fatigue), exhaustion, hot flashes, joint pain, muscle weakness and pain.

TEXT EXTRACT FROM:

" Aircrew exposure to chemicals in aircraft: Symptoms of irritation and toxicity" C. Winder & J.C Balouet
The Journal of Occupational Health & Safety- Australia & New Zealand, Volume 17 # 5 October, 2001