A 12-year-old boy in eastern China with a rare disease has graduated from primary school in June, defying doctors who had predicted he would not live beyond the age of three. Zou Weiluo, from Shanghai, was diagnosed at seven months with spinal muscular atrophy, or SMA, a condition that progressively weakens the muscles used for movement, swallowing and breathing. Years of devoted care from his family helped him outlive the prognosis, and he could now move his fingers and flex his elbows...