Health

How pornography influences and harms sexual behavior

A new article co-authored by a Virginia Commonwealth University professor suggests that pornography has become a primary source of sexual education, and has a tangible influence on the sex lives of young adults.

Health

Study sees link between porn and sexual dysfunction

(HealthDay)—Young men who prefer pornography to real-world sexual encounters might find themselves caught in a trap, unable to perform sexually with other people when the opportunity presents itself, a new study reports.

Psychology & Psychiatry

Excessive Internet use is linked to depression

People who spend a lot of time browsing the net are more likely to show depressive symptoms, according to the first large-scale study of its kind in the West by University of Leeds psychologists.

Psychology & Psychiatry

Internet withdrawal increases heart rate and blood pressure

Scientists and clinicians from Swansea and Milan have found that some people who use the internet a lot experience significant physiological changes such as increased heart rate and blood pressure when they finish using the ...

Neuroscience

In longterm relationships, the brain makes trust a habit

(Medical Xpress)—After someone betrays you, do you continue to trust the betrayer? Your answer depends on the length of the relationship, according to research by sociologist Karen Cook of Stanford University and her colleagues. ...

Health

Study Links Internet Addiction to Aggression in Teens

(PhysOrg.com) -- Armed with the findings of a new study, Taiwanese researchers suggest parents and educators pay more attention to children’s online habits because Internet-addicted teens seem more prone to aggression. ...

Psychology & Psychiatry

Research reveals how the Internet may be changing the brain

An international team of researchers from Western Sydney University, Harvard University, Kings College, Oxford University and University of Manchester have found the Internet can produce both acute and sustained alterations ...

Health

Internet promotes and undermines smoking cessation

(PhysOrg.com) -- Analysis of internet search data shows, federal cigarette excise tax hike drove smokers to find ways to quit smoking, but more often shop online for tax-free or cheap cigarettes.

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Internet

The Internet is a global system of interconnected computer networks that use the standardized Internet Protocol Suite (TCP/IP). It is a network of networks that consists of millions of private and public, academic, business, and government networks of local to global scope that are linked by copper wires, fiber-optic cables, wireless connections, and other technologies.

The Internet carries a vast array of information resources and services, most notably the inter-linked hypertext documents of the World Wide Web (WWW) and the infrastructure to support electronic mail, in addition to popular services such as online chat, file transfer and file sharing, online gaming, and Voice over Internet Protocol (VoIP) person-to-person communication via voice and video.

The origins of the Internet reach back to the 1960s when the United States funded research projects of its military agencies to build robust, fault-tolerant and distributed computer networks. This research and a period of civilian funding of a new U.S. backbone by the National Science Foundation spawned worldwide participation in the development of new networking technologies and led to the commercialization of an international network in the mid 1990s, and resulted in the following popularization of countless applications in virtually every aspect of modern human life. By 2009, an estimated quarter of Earth's population uses the services of the Internet (see Growth).

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