2014-04-26: News about e-Cigarettes, lung cancer screening and statins plus answers to questions

Summary: FDA finally announces rules to regulate electronic cigarettes; New CT screening technique to detect lung cancer early; Bone physiology of arthritis, but lump on hand may be a ganglion cyst; Could a pH imbalance contribute to chronic yeast infection? Is there a cheaper source for methylated folic acid than the drug Deplin? Detecting and treating carotid artery plaque; Sex and other things that affect the vaginal pH; More about Deplin and genetic testing for MTHFR and other mutations; All about microscopic colitis; A study shows that people on long-term statins eat more! Suggestions for hormonal birth control; Benadryl plus Tagamet is good for hives