Since it's made of both a vegetable and animal fiber, the result is a lovely heathered yarn due to the way the fibers take the dyes. Chesapeake knits up at a worsted weight so it's ideal for knitting both adults and children's garments.
The 11 evaluable patients enrolled in the brain cancer safety trial received three infusions of vitamin C a week for 2 months followed by two infusions per week for 7 months while receiving standard care radiation and chemotherapy.
1 The study was observational. It simply tabulated the intake of vitamin C and the number of kidney stones to try to find an association between them.  This method does not imply a causative factor because it was not a randomized controlled study, that is, vitamin C was not given to a group selected at random.