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Recent data from the National Cancer Institute shows amazing progress in several vital cancer-related areas. As cancer-related mortality is falling, so are actual diagnoses of the disease.

What this means is that the United States has now successfully identified some causes of cancer and we are making progress towards cancer prevention.

Additionally, the nation is making huge strides in cancer treatment, utilizing years of research and new technology to develop state of the art radiation therapies and treatments.

One relatively new form of radiation therapy, first used clinically in 2003, is called TomoTherapy, an innovative form of CT guided IMRT (or Intensity Modulated Radiation Therapy).

The primary advantage to using TomoTherapy is its precise delivery of radiation to a cancerous tumor, while sparing the healthy tissue around it. The radiation sources encircle the patient and use a multi-leaf collimator, which allows the tumor to be targeted more precisely.

Because of this innovative technology, a radiation oncologist can treat areas that are difficult or impossible for other machines to reach, such as treating just the lining of the lung and not the lung itself, or taking on tumors on the edge of the spinal cord without risking damage to the spinal cord itself.

For more simple cases, such as breast cancer that has not metastasized, TomoTherapy may not be the best solution, because other methods can deliver the radiation safely while using much less time.

TomoTherapy’s primary benefit is for the most complicated tumor placements where the treatment time is a reasonable trade-off for precision and preserving of healthy tissue.

TomoTherapy Planning

Before beginning any TomoTherapy treatment, the radiation oncologist will determine the precise topography of the tumor using complex, three dimensional imaging software. Using this image, he will determine the contours and intricacies of the tumor, which will help him determine the surface area, and thus allowing him to calculate the amount of radiation that is needed for each TomoTherapy session as well as the acceptable levels for the surrounding areas.

The TomoTherapy planning station is then used to calculate the pattern, position, and intensity for the radiation to be delivered to the affected area. Precise positioning is imperative for effective radiation therapy, and because a patient’s position can change slightly from session to session it is necessary to take CT images of the patient before each session.

As times continue to change, there will probably be new and updated techniques available for radiation oncologists to use, many of them, perhaps, based on the TomoTherapy solutions that have been developed and continue to be useful tools in the fight against cancer.

Doctors and scientists are confident that there will be a cure for cancer in the coming years, but until then it is a comfort to know that advances, such as TomoTherapy, are making it a battle that is easier to fight.

Many people think that video games are not a healthy recreational hobby for children, or anyone for that matter. video games are associated with television binging and being a couch potato. Being sedentary is not a healthy lifestyle. However, the gaming and video game console scene is changing and incorporating a much larger measure of physical activity and exertion more than ever before. Let us consider some gaming examples that support the statement that video gaming is not a couch potato sport anymore. Yes, there is an uprising in the making. The twenty first century has spawned a new wave of gaming concepts. Physical activity and video games are merging, thus making it a bit more appealing to those who are aware and conscious of their health.

Movement and Video Games

There exists certain video games that require more than sitting down and pressing buttons with your hands while your eyes are fastened tight to the television screen. It is becoming a trend these days for children to become couch potatoes. These children stay at home a lot and sit for hours in front of the television or computer. However, because of the stressing of the importance of physical exercise, gaming has been slowly being reinvented with exercise in mind.

For instance, take the video game Dance Dance Revolution. This video game requires a complimenting dance pad where players are required to jump and move and land on certain parts of the dance pad according to what the directions are on the screen to get points to win. This game requires constant motion and movement, so players are not sitting down but rather they are getting some physical activity.

To add to this, the Nintendo Wii uses sensory technology and incorporates it into their new concept of video gaming. All video games require motion and reenactment on the part of the players, and therefore these players are also constantly in motion.

Although just playing video games that require physical movement is not enough to keep a person healthy, it is a great step towards making exercise fun, and curing the debilitating couch potato disease. In a way, video games that require movement is a really great disguise for physical exertion and a great way to get your kids to be a little more active than usual. And it is not just for kids, because although many adults will not admit it, they enjoy video games just as much, if not more, than kids. So take a small but focused step towards getting yourself healthy and substitute your traditional couch potato gaming for video games that require movement.

Seven (7) Tips on promoting you website

Tip one:  Search Engines

In submitting your article to the three major search engines you will alert the search engine to your website and this will encourage you website to be crawled.

 

Tip two: Link Exchange

Link exchange is an important part of getting onto search engines. This will encourage the search engines to look at your website and the amount of links that come into your website and the amount of traffic the site that you have link exchange with have. This is a good way to start if you are building a new website.  These link exchanges should be with sites that have the subject matter as yours.

Tip three: Website Directories

Website directories are another good way to get your site a higher rating.  It is better to only use a few website directories and you can do this yourself, because you will only need to list with a few because too many listing because this is not liked by the search engines. 

Here are a few web directories, I am only recommending then because they were recommended to me.

Dmoz.com

Jayde.com

Exactseek.com

You will be able to find many more on the internet.

Tip four: Social Networking Sites

Social networking sites are a very powerful way of promoting your website.  This will bring traffic into your website and also develop back links back to your website.  Getting involved with social networking sites will promote your website whilst building relationships. 

Facebook.com

Myspace.com

Twitter.com

I am not recommending them only suggesting, you could do some research and find a social Networking site that suits you, But I must state that these are very good ones.

Tip five: Article directories

Article directories is a great way of getting traffic to your website there is an increase in article directories that accept free articles.  When you submit an article to an article directory you are giving permission for your article to be reprinted, the good part of this is that you author’s details will go with your article and your website details, meaning that you will get links back to your website.

When writing you author’s bio make sure that your links and full url are included and that a good but short description about you and your company. Look at the other author’s bio on these sites to get and idea.

Ideamarketers.com

Ezinearticles.com

Articlealley.com

Articlepool.com

Goarticle.com

Articledashboard.com

Articlecircle.com

Articlecube.com

Articlesbase.com

There is much, much more and I could go on but I think you get the idea.

Tip six: Constantly add more content

Constantly add more content to your site. Building up more content on your site is an extremely important part of search engine optimization. Search engines will visit you site and visitors will have a reason to revisit.

Tip seven: Write a blog

Blogging is a really good way of constantly adding new content to your website.

I have learnt this by spending days and weeks researching so I thought I would make it easy for you by passing on what I have learnt; I hope that this will help you.

The General Positioning System (GPS) tracking system is the latest breakthrough of the technology aiming at improving people’s lives. The GPS tracking system is reported to be used as a travel guide and as a tracking device of vehicles. No matter its application, GPS devices are good travelling companions.

The actual process of GPS tracking system is straightforward. In short, there are exactly 27 satellites rolling around the center of the Earth. Out of them, 24 are used by the GPS technology and the remaining ones are used for storage purposes. A GPS receiver installed in your car emits a signal to these satellites. Four available satellites will be used to find out your exact position. The mathematical tenet involves in this computing process is called trilateration. It can be achieved in either two dimensions or three dimensions.

Adverse weather conditions can affect the accuracy of the position. This issue is still to be addressed by GPS vendors as they are struggling to tweak their devices as a way around this problem.

Applications of GPS devices are twofold: the first one being as travelling guide as you can set your destination and the receiver will work out your location. It will also tell the best trajectory to reach your destination. It should be noted that some devices are able to talk as well. The GPS technology is also reported to be used in the military industry as it was first created for such purposes.

Another application of GPS devices is for tracking purposes. For instance a car company may decide to install GPS device in their cars in order to record their position all over the time. This can help them improving their delivery times and also increase their efficiency. An employer also can make use of this device to make sure that his employees are not abusing company car privileges.

Private investigators also make use of GPS tracking devices in order to keep track of cheating wives. Law enforcement also makes use of GPS devices to locate people who steal cars. Recent GPS devices are also able to report a driver’s habits therefore deciding if the driver is responsible enough to carry on.

The GPS tracking system is also a perfect way around home construction site thefts. Indeed, recent news from the Tennessee reveals that GPS tracking devices have helped identify a rash of construction site thefts where many thieves were used to nicking home appliances. A Tennessee police spokesman later on claims that these hard to break burglaries could be tracked down in less than 24 hours with suitable GPS tracking devices.

Still in the US, it is well known that some school buses are equipped with GPS tracking devices for emergency response purposes. Indeed, school buses equipped with the GPS tracking devices can be used to shuttle emergency responders such as fire fighters, and evacuate those in need, including nursing home residents.

In summary, GPS device applications are growing more and more over the time. There are mainly used for military and civilian purposes as we described in previous sections. It is nowadays commonplace to see GPS devices almost everywhere as we saw in the previous sections.

Change the way you watch the television with the new TV on the block that has made the conventional analog television sets run for their survival. We are talking about a plasma HDTV.

It’s a new technology which has changed the whole scenario. The High Definition Plasma Television is here, that is what popularly known as Plasma HDTV, that has given a new dimension to the TV watching experience.

But, is the technology worth of receiving so much of praise. In this case you have to see it to believe it. As the name itself reflects, the HDTV is a high definition TV that changes the picture quality by bringing more life to it and thus has many advantages over the conventional analog TV set.

Lets talk about what you get when you go in for the Plasma HDTV.Much Higher resolution: this is where the Plasma HDTV can beat any competition coming its way. Compared to the conventional TV sets, the Plasma display devices have much higher resolution, and are capable of displaying full HDTV and DTV signals as well as XGA, SVGA and VGA signals from a computer.

Elimination of scan lines: Contrary to the Plasma TV the conventional TV monitors use an electron beam to scan the picture tube at regular intervals that may produce the scan lines, in a standard NTSC TV. Plasma displays in this case, include built-in line doubling to improve image quality when switched to standard analog video sources such as TV broadcasts and VCR tapes.

Exceptional color accuracy: Another great advantage is the exceptional color accuracy that is achieved through displaying 16.77 million colors that can bring any picture to life.

Wide-screen aspect ratio: To bring back the experience of watching films in theatre, Plasma display devices have a wide-screen 16:9 aspect ratio, that allows the DVD-Video movies to be viewed in wide-screen format.

Perfect flat screen: is another biggest advantage with Plasma screens. This helps to eliminate the edge distortion that can occur in normal displays.

Uniform screen brightness: the realism can be achieved with this factor that also helps in soothing the eyes with the plasma displays illuminating every pixels evenly across the screen.

Slim space-saving design: a few inches thin, hang it on any wall you like and it gives you the installation options as never before. Don’t bother about the standalone way if you don’t want to keep it like that. The best part is the can match your decor, and actually increase the style statement of your home.

Wide viewing angles: of 160 degrees allows a larger number of viewers to enjoy perfect image reproduction irrespective of their position in the room.

Universal display capability: makes them include and play wide video formats. Most of the plasma HDTV ware compatible with composite video (NTSC, PAL SECAM) (standard RCA jacks), S-video and component video inputs, plus one or more RGB inputs to accept the video output from a computer.

Resistance to magnetic fields: as they do not use the electron beams like the conventional TV sets, they are unfazed by the effects of magnetic fields. That is why it can be placed in a close proximity to any device that produces magnetic fields, for instance, speakers.