Step 1: Understanding the Concept
Constipation is difficulty in passing faeces because the faeces are hard and dry.
Step 2: Remedy
More roughage (fibre), enough fluids and exercise soften the faeces and improve bowel movement.
Step 3: Match
The condition is constipation, option (A).
Final Answer:
Constipation can be improved by roughage, fluids and exercise.
\[ \boxed{\text{(A) }\text{Constipation}} \]