By cutting off the supply of a specific sugar known as GlcNAc (glick-nack), scientists can now choke off tumors.

When scientists from California Institute of Technology (Caltech), led by Linda Hsieh-Wilson, professor of chemistry, blocked the addition of GlcNAc to a particular protein in mice, it hit tumour-cell growth, according to a Caltech statement.
Source-IANS