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.
11 Symptoms of a Concussions. A concussion is classified as a traumatic brain injury that may be brought on by a fall or some type of impact to the head. In some cases the injury may be the cause of a severe accident that could have seriously jarred or shook the brain inside the skull. Not everyone who suffers from a concussion passes out.