The British forced the issue by attacking the Chinese port cities of Guangzhou and Tianjin in the Second Opium War (1857â1858). Under the most-favored-nation clause, all of the foreign powers operating in China were permitted to seek the same concessions of China that Great Britain achieved by force.
The number of concussions experienced and whether teens also had headaches or nausea were not related to whether they also had emotional symptoms. Researchers also found that having a family history of psychiatric problems did not make teens any more or less likely to have emotional symptoms after a concussion.
As well as showing many of the same symptoms of adult depression, some symptoms of teenage depression are: 1  A downward trend in performance at school or college. 2  Change in personal hygiene and appearance. 3  Destructive and/or defiant behavior.  Hallucinations or unusual beliefs.