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.
Youth Radio: PTSD, Teens And The Brain. That's a pretty clear symptom that things aren't going well, says Jamal Harris, a pediatrician at a community health center in San Francisco. Harris says he sees teens with PTSD at his clinic all the time, and that many of them have physical symptoms related to their stress. Some examples in teens would be problems sleeping, weight gain, and just being frustrated, Harris says.