Men who smoke experience greater mental declines over time than men who never smoked, but the same link does not appear among women, said a British study published in the United States on Monday.
The research suggested that the effects of long-term cigarette smoking show up in terms of memory loss, inability to connect past experience with actions in the present, and a drop in overall cognition skills.
The HPV vaccine should be given to all males between the ages of 11 and 21 to protect them against sexually transmitted diseases and cancers, the Centers for Disease Control and Prevention has said in its 2012 report.
The CDC's Advisory Committee on Immunization Practices recommends the human papillomavirus vaccine should be 'routine' for all boys and it also recommends 'catch-up' vaccinations for males ages 13 to 21.
_Trisomy 18 is a genetic disorder in which a person has a third copy of material from
chromosome 18, instead of the usual two copies.
Causes, incidence, and risk factorsTrisomy 18 is a relatively common syndrome. It is three times more common in girls than boys. The syndrome is caused by the presence of extra material from chromosome 18. The extra material interferes with normal development.
_Psychedelic mushrooms may point to new ways to treat depression, suggest two small brain imaging studies that seem to show how psilocybin -- the active ingredient in such mushrooms -- affects the brain.
One study included 30 healthy people who had psilocybin inserted into their blood while magnetic resonance imaging (MRI) scanners measured changes in their brain activity. The scans revealed that psilocybin caused decreased activity in what the researchers described as the brain's "hub" regions -- areas especially well-connected with other areas.
