Shama-il Tirmidhi Chapter 025, Hadith Number 010 (152).
Jaabir bin Taariq Radiyallahu 'Anhu says: "I attended the assembly of Rasulullah Sallallahu 'Alayhi Wasallam. I observed, they were busy cutting a gourd into pieces. I inquired: 'What shall be made of this'. He replied: 'It will add to our food'".
The 'ulama have mentioned many benefits of gourd (dubba-dodhi- kadu). Its benefits are also mentioned in the books of tibb. It strengthens the brain and senses.