How the humble hydrangea shrub could hold the key to curing MS, diabetes and arthritis By FIONA MACRAE 05th June 2009 It's bright and beautiful flowers bring a splash of colour to gardens all over Britain. But it seems the hydrangea is more than just a pretty bloom. A drug made from its roots could be used to treat a raft of common diseases, researchers say. The colourful shrub - a staple of Chinese medicine - has the power to 'revolutionise' the treatment of multiple sclerosis, psoriasis and some forms of diabetes and arthritis, scientists claimed yesterday. Hydrangea: The common...