Sandra Duggan: 2 books

The First Step to Total Body Health! Every organ, gland, and cell in the body is affected by the condition of the large intestine—the colon. Clearing your colon of years of toxic build-up is the first and most important step to more physical energy, mental clarity, and relief and prevention of:...

The basic understanding which underlies scientific evidence - ideas such as the structure of experiments, causality, repeatability, validity and reliability- is not straightforward. But these ideas are needed to judge evidence in school science, in physics or chemistry or biology or psychology, in...