3. Russian President Vladimir Putin took a 10% pay cut last year, as his country sank into a deep recession. But that was after his salary more than doubled in April 2014, to roughly 9.7 million rubles.
4. A study cited in an article from Harvard University suggests your diet could have a significant impact on your memory as you age. Scientists at Brigham and Women's Hospital published a study within the "Annals of Neurology" that suggested women who ate high levels of saturated fat in foods like red meat and butter didn't perform as well on memory tests than women who regularly consumed less saturated fat. Researchers haven't yet discovered the connection between saturated fat and memory, but they hypothesize it could have something to do with a person's genes. Scientists and doctors have long recommended that patients work to control their cholesterol levels as they age to protect the memory during the aging process.
6. Andersl?v, Sweden was plagued by residents with green hair. Johan Pettersson discovered that there was too much copper in their water.
People in fourth-tier and smaller cities have economic pressures close to the national average level in terms of income, education, medical services and elderly care, while family and human relationship stress are higher than second- and third-tier cities.