Did 'ABCs' cause Uganda's fall in HIV rates?
...ation programs over condom promotion, a focus that pits political and religious conservatives against their liberal counterparts. Nevertheless, the ABC approach is sometimes credited as being responsible for Uganda's dramatic decline in HIV rates. A provocative debate in PLoS Medicine considers the two ...Amoxicillin use during infancy may be linked to tooth enamel defects
...igns range from barely noticeable white flecks, to pits and brown stains. Amoxicillin is one of the most common antibiotics used among pediatric patients, mainly for treatment of otitis media--infection and inflammation of the middle ear. There has been some evidence that amoxicillin use could be associ...Lymph nodes harbor information on whether breast cancer will recur
...r often spreads through the lymph nodes in the arm pits (so-called axillary lymph nodes), and whether these lymph nodes are tumor-free or contain small metastases is an important factor in the decision of how aggressively to treat a patient. Peter Lee and colleagues (from Stanford University) now report i......oach to studying dental microwear, the microscopic pits and scratches on the tooth surface caused by use, offers a more accurate measurement of the surface's appearance and is described in the August 4 issue of Nature . "Paleontologists and physical anthropologists have had a somewhat naive view on diet,...