Avoiding deep venous thrombosis, colds and other advice when traveling in planes; FDA approves a new continuous glucose monitor; Conservative changes in the Health and Human Services department policies; Discussion of EMF health issues such as cell phones and WiFi on airplanes; Another caller discusses WiFi health issue; More about new HHS policy and discussion of CA euthanasia law; Laparoscopic surgery and the rise in diabetes in children; Radiofrequency surgery for spinal nerve pain may be temporary; The importance of trace minerals for health; More discussion on EMF risks, especially for children