
I said, "Of course!"
After doing yoga and sadhana with Sri Aurobindo, the Mother experienced a visible physical change, quoted in " Pondicherry http://www.searchforlight.org/TheMother_lifeSketchpart6.htm, also in The Mother: The Story of Her Life - George Van Vrekhem (2000) http://books.google.co.in/books?id=On_XAAAAMAAJ, p. 201