Galanthus nivalis can be helpful in the treatment of Alzheimer's disease, though it is not a cure. Snowdrops contain also an active lectin or agglutinin named GNA for "Galanthus nivalis agglutinin". Potatoes have been genetically modified with the GNA gene. In 1998 Árpád Pusztai said in an interview on a World in Action programme that his group had observed damage to the intestines and immune systems of rats fed the genetically modified potatoes. He also said "If I had the choice I would certainly not eat it", and that "I find it's very unfair to use our fellow citizens as guinea pigs".
San Francisco Flower & Garden Show Francisco Parks Trust). The first show featured a tribute garden to San Francisco landscape architect, Thomas Dolliver Church (1902-1978), designed by Pam-Anela Messenger. For its first eleven years (1986-1997) the show held at Ft. Mason in San Francisco. In 1997 Salmon Bay Events, the Seattle-based company owned by Duane and Alice Kelly that had started the Northwest Flower & Garden Show, acquired the San Francisco Landscape Garden Show, changed its name to the San Francisco Flower & Garden Show, and moved the show from Ft. Mason to the Cow Palace. For the next eleven years (1998-2008) it was held at