the theory of the 4 humours

• the 4 humours were blood, phlegm, yellow bile and black bile
• if there is too much or too little of a humour the person is unwell
• if you have a cold the symptoms are:
• 1. if you have a cold the symptoms are:

  • shivers
  • lots of phlegm
• cause of a cold: too much phlegm
• 2. if you have a rash or fever, the symptoms are:

  • redness of skin
  • high temperature
• 2. cause of a rash: too much blood
• 2. cure for a rash: bleed the patient to restore the balance of the humours
• 3. cure of constipation: eat foods that are laxatives
• in Ancient Greek times:

  • scientific and rational explanation for illness