Prevention is better than cure.Even after preventing lot of bad things,we have the chance of getting heart attack.check this website to predict the possibility for heart attack. http://www.knowyour4.com/
getting a job or changing your job is always not easy.
you need to know about your dreams,purpose,your current skills,skills required.
i found this website very interesting,i hope you will get more related to this subject.
Learn How to Contribute to the Linux Kernel, Take the Eudyptula Challenge http://www.linux.com/news/featured-blogs/200-libby-clark/770112-learn-how-to-contribute-to-the-linux-kernel-take-the-eudyptula-challenge/
As we all know https://ifttt.com/ is a great tool (IFTTT is a service that lets you create powerful connections with one simple statement).I am planning to create a very good recipe,which will send my students very useful technical information as sms.