i've heard that you can use it as a weight loss tool..or aid...
my question is : is it healthy and are there side effects (long term or short)
and...is there a healthy way to use it?

Eat plenty of green vegetables. They are low in calories and high in nutrition. Also lift weights in circuit fashion to get a cardio workout plus stimulate your lean body tissue and speed up your metabolism. Here are some free workout videos and other tips to lose weight fast..
http://cybexmedical.com/

Hi
I think that this website will help you a lot
http://burnfati.blogspot.com
Good Luck