It can be inside a bag, inside some wraps with the right poles facing the body. Strong magnets (those that can lift a kilo or more) may be used for one hour daily. Small or weak magnets may be left in place all day. Serious infections For serious infections, strong pain or cancerous tumors, even powerful magnets can remain in the body as long as they seem to be beneficial. The magnetic product that you will be using would be based on the area of the body you would like apply the treatment. Although there have been no problems about magnetic therapy in the past, it is still to be cautious. There are some magnetic products that would often warn their customers of their use and ask them to consult their doctors, especially those with pacemakers, working with high-voltage equipment and allergic to metals. An example would be the use of four magnets on the back. Just place the magnets on the points below the shoulder blade and one to two inches to the side from the spine line. How effective are these methods? There are studies conducted in National Institute of Mental Health along with national Institute of Neurological Disorders and stroke and National Institute for Health on how repetitive Transcranial Magnetic Stimulation (rTMS) was able to improve the mood of several patients. This arrangement maximizes the electromagnetic field generated by each magnet. Just as the quantity of magnets matters, the strength is very important as well. And finally, for added comfort it would be best to have a piece of cloth or fabric that is wrapped a round the area where you will be placing the magnet onto. Increased circulation would allow toxins to be released and flushed away. Aside from pain relief, better blood circulation could also result into better sleep. Aside from that, magnets could also stop or intervene with muscle contraction and spasms. Spasms would only tighten the muscles and joints which could make movements or the area more painful. In turn, the blood vessels widen and helps accelerate the healing process. The process allows more blood to pass through the capillaries and improves the blood flow. This natural movement takes away the toxins in the system and brings in nutrient-rich blood to the injured area. The improved blood flow and the fluid exchange in the injured tissue help reduce discomfort and inflammation.