Immunotherapy is a new anti-cancer strategy based on the destruction of tumors by a stimulation of the immune system. These fascinating results indicate that the effectiveness of this approach requires the presence of certain intestinal bacteria, an unexpected discovery which could allow significant improvement in the success of these treatments. Download this column

Richard Béliveau

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Brain metastases are responsible for a large proportion of the deaths due to breast cancer. According to a recent study in the prestigious journal PNAS, the morbidity associated with these metastases is due to the ability of the cancerous cells to masquerade as neurons in order to fool the brain's defences and to succeed in invading this organ. Download this column.