Tai Chi, or Tai Chi Ch'uan, means "supreme fighting" or "ultimate fists" in Mandarin. It is basically a form of martial art originating in China sometime around the 16th century. It has five known forms in existence today, though all are connected to each other without any drastic difference. During the 1970s, it was introduced in America and has been growing in popularity ever since. There have been no known side effects or harm caused by practicing Tai Chi in long term or short term.
A number of websites online offer a range of accessories for Tai Chi, as well as useful tips and instructions. Online forums and blogs dedicated to Tai Chi also offer a lot of passed-on information, but is should not be taken as the final word upon the subject. While buying merchandise online, such as Tai Chi shoes, instruction technique booklets, or DVDs, always ascertain whether it is a bargain or not by confirming the prices with a local dealer. A cheap product may not necessarily be inferior in quality, and vice versa. Websites such as www.taoist.org, and www.healingtaousa.com can be accessed for additional information.
Tai Chi is safe for everyone, irrespective of age. The elderly in millions of homes across China perform Tai Chi because it improves balance and co-ordination between limb movements. Every year, hundreds of senior citizens suffer fractures and injuries due to fall caused by misbalance, Tai Chi is very helpful in such cases.
Of course, the best way to learn tai chi is to study under a qualified Tai Chi master who can provide special attention and constructive criticism. (Note: the emphasis here is on the words "qualified master". In other words, you should avoid amateurs who are not truly knowledgeable in the subject matter). An online training course can be an excellent way of continuing your learning beyond the classroom as well as a way of increasing your skill level.
If you have a deep desire to learn tai chi chen and there is an acceptable online program available to your access, then you should jump into the fray so to speak. Take advantage of the opportunities as they present themselves and do not delay as those advantages may not be there for your taking forever.