Causes of allergies: :

• Quitting smoking	• Overexposure
• Family (genetic)	• Pollution (diesel, tobacco))
• Stress	• Cleanliness
• Age	• Paracetamol
• Intestinal flora imbalance: premature, sterile, antibiotic ...	• Early vaccination

Food allergies may manifest themselves in different ways  :

Symptoms quick :

• Anaphylaxis	• Faintness, Lost Knowledge
• Asthma	• Nettle rash
• Oedema	• Rhinitis
• conjunctivitis	• Diarrhoea, Vomiting

Symptoms delays :

• Eczema

• Asthenia

Symptoms very slow :

• Anemia	• Asthenia
• Stress, Depression