Summary: Psychiatrists should tell patients with depression to "take a hike"; What to do for cold feet, poor circulation after chemo; Natural alternatives for sciatica; Should you take a periodic break from supplements? NY Times mocks vitamin D consumers--but new study confirms it reduces heart risk; Marathons increase death rate--but not in contestants! Breastfeeding may not make your kid smarter--but they'll be better behaved; Dramatic rise in cases of diabetes.
