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How far should doctors go in attempting to cure addiction? In China, some physicians are taking the most extreme measures. By destroying parts of the brain's "pleasure centers" in heroin addicts and alcoholics, these neurosurgeons hope to stop drug cravings. But damaging the brain region involved in addictive desires risks permanently ending the entire spectrum of natural longings and emotions, including the ability to feel joy.

In a new case study, a team of Swiss and French neurologists followed a similar strategy during brain surgery with a 23-year-old female patient. She has temporal lobe epilepsy and experiences "ecstatic auras" before seizure onset. During these periods she has "intense feelings of bliss and well-being", a floating sensation in her stomach, enhanced senses and time appears to contract.