नेलट्रेक्सना मोनसे जाय मोननाय खुसिखौ मोन्दांग्रा अपिअइद रिसेप्टरसखौ होबथायो ।
Naltrekson is such chemical which block the opioid receptors situated in the brain responsible for the feeling of happiness received from intoxication after drinking alcohol .