Hong Kong leader John Lee Ka-chiu is suffering from a bout of sciatica, a common degenerative condition that mostly affects middle-aged people who might not be aware of the seriousness of it at first until the pain worsens and affects their mobility. The Chief Executive’s Office revealed that Lee had sciatica after he attended a swearing-in ceremony for lawmakers on Thursday and a walking cane was spotted nearby. His condition raised awareness of the at-times excruciating ailment, which is...