Cancer blood test and origins, lyme disease, sleep for weight loss, drug metabolism effects and more

Summary: Nobel prize for chemistry is awarded to pioneers in signaling proteins in cell membranes; More about the arsenic in drinking water and rice study by Consumer Reports; All about allergies, the hygiene hypothesis and treatments; Are testosterone and estrogen supplements good to compensate for decreasing hormone levels with age? How to detect a 2nd infection of Lyme disease and new research about how tick-borne diseases work; The origins of cancer as breakdowns in cellular regulation — new stem cell research holds promise to stop cancer cells; Are my perimenopause headaches migraines? And what to do about them; What human diseases are carried by fleas? Patterns of methylation in DNA of white blood cells can identify the presence and type of cancer; Individual differences in detoxification enzymes greatly influences pain drug metabolism and the effectiveness or side effects of drugs; The reasons why a full night's sleep is very important in loosing weight