It is well documented that professional boxing causes neurological impairment. A new study reveals routine sparring can cause short term impairments in brain-muscle communication and a decrease in memory performance.
Smokers exposed to individual cigarettes with public health warnings written on them felt the products were offputting and depressing. When surveyed, those who smoke said printing messages on cigarettes would prolong the health message and had the potential to discourage smoking in young people.
According to researchers, people tend to change the pitch of their voice depending on who they are talking to and how dominant they feel. The study found that a person's vocal characteristics altered in response to people of different social status. When a person was believed to be more dominant, people's voices became more high pitched.
