This article refer to www.wikipedia.com

The 2012 phenomenon comprises a range of beliefs and proposals positing that cataclysmic or transformative events will occur in the year 2012. These beliefs are based primarily on what is said to be the end-date of the Mayan Long Count calendar, which is presented as lasting 5,125 years and as terminating on December 21, 2012. Proponents of these ideas base their beliefs on archaeoastronomical speculation, religious fanaticism, alternative interpretations of mythology,numerological constructions, and alleged prophecies from extraterrestrial beings.

What you like best Cat or Dog?

The cat (Felis catus), also known as the domestic cat or house cat to distinguish it from other felines and felids, is a small predatory carnivorous species of crepuscular mammal that is valued by humans for its companionship and its ability to hunt vermin, snakes, scorpions, and other unwanted household pests. It has been associated with humans for at least 9,500 years.

According to http://www.breastcancer.org/treatment/

A tremendous amount of promising research is under way to determine the cause of breast cancer and to establish effective ways to prevent it. Still, doctors can't always explain why one woman develops breast cancer and another doesn't.
Everyone seems to know someone with breast cancer, and we wonder whether we, too, will be affected during our lifetime. All of us want to do everything we can to reduce the risk of ever getting the disease. Right now, though, we just don't know enough about what causes breast cancer and we haven't yet figured out how to keep it from happening — so we can't say that we can “prevent” it.