Alarm with the frankincense and unconditional of the cancer. It will be necessary to limit the use of this product which can, by using too much/too long harmful for the organization. The prolonged use; incense can involve a significant increase a risk with cancer by respiratory tracts, reports from US/Tai &and Chinese researcher. This study taking place from between 1993 and 2005 in Singapore has sixty one thousand Chinese from 45 to 74 years which did not suffer from cancer. Twelve years later have 325 cases of cancer patient of the respiratory tracts within this group. We show that the prolonged use; incense associate conceals with a significant increase in the risk of cancers of the respiratory tracts '', explain the scientists. They pointed out that the recourse prolonged with the incense 'particularly important on the Asian continent But that the Westerners/African continent also use it constant. People should be care fully with it, as well as with the mosquito’s spray and its poisoning incense!