Possible Clues:

• Complaint when lousy maths gets the top grade
• Bronchial problem
• Such a confusion of maths takes your breath away
• Distressing ailment affecting breathing
• Allergic reaction to a way ham is cooked
• Breathing difficulty
• How a mixture of maths is enough to take your breath away
• Disorder arising from a maths problem
• Tricky maths, introduction to algebra, bringing complaint
• Is maths a way to take one's breath away?