Following the wisdom that you should use local rock whenever possible,
a perimeter wall at the Brookline mid-century-modern house was made of locally
available Roxbury puddingstone when the house was built in the 1950s.
Brookline, MA dermatologist Papri Sarkar,
MD agrees and says that she loves the theory behind the new filler, but she thinks it's vital to see how long-term results and reactions will play out in the studies.