In a remote village in Pakistan’s Balochistan province, two brothers became the center of a global medical mystery after doctors observed a striking day-night pattern in their condition. During daylight hours, the boys could walk, play, laugh, and behave like healthy children. However, after sunset, their bodies weakened, and they became unable to move or speak properly. This unusual case drew attention from doctors and scientists worldwide, with the most extraordinary aspect being the stark contrast between their daytime normalcy and nighttime impairment.
Who Were Pakistan’s ‘Solar Kids’?
The brothers, Abdul Rasheed and Shoaib Ahmed, lived in a village near Quetta and first gained international attention in 2016 after Pakistani doctors began studying their condition. Reports at the time indicated that the boys appeared normal during the day but became severely impaired after dark. Their father told media outlets that the children would stop functioning properly as evening approached, creating a pattern that led local residents to call them the “solar kids.” The nickname spread quickly, although doctors stressed that sunlight itself was not believed to be the cause.
Medical Investigations and Theories
The case confused medical experts since the symptoms seemed to track the setting of the sun. Early theories ranged from metabolic disorders to unknown neurological conditions. Doctors carried out blood tests, brain scans, and genetic investigations while also consulting international specialists. The most widely discussed explanation was that the brothers likely had a dopamine-related neurological disorder. Reports linked the case to dopa-responsive dystonia, or a related movement disorder, but no final diagnosis was ever publicly confirmed in a formal medical publication.
What Is Dopa-Responsive Dystonia?
Dopa-responsive dystonia, also known as Segawa disease, is a rare inherited neurological disorder that affects movement and muscle control. It usually begins in childhood and can cause stiffness, involuntary muscle contractions, difficulty walking, and severe movement problems. A key feature of the condition is diurnal fluctuation, where symptoms worsen later in the day and improve after sleep or rest. That pattern fits the strange behavior seen in the Pakistani brothers—active during the day, then weak and nearly motionless after sunset. Doctors also believed dopamine regulation in the nervous system may have played a role, as dopamine is a neurotransmitter involved in movement and coordination.
What Treatment Revealed
Pakistani doctors later reported that the boys improved after receiving medication. Some reports indicated they were better able to sit, walk, and move after treatment with dopamine-related medicine, which strengthened the theory that the condition was linked to dopamine dysfunction. That said, the improvement was not equivalent to a complete cure. Public reporting did not confirm that the brothers returned permanently to normal health, and no major medical authority publicly announced a final diagnosis or long-term resolution. Available reports suggest they improved but remained under observation and treatment.
The story of Pakistan’s “solar kids” attracted worldwide attention for the extraordinary nature of the symptoms and the unanswered questions surrounding the condition. The case became a rare intersection of neurology, genetics, and medical investigation, drawing interest from doctors and researchers across the world.



