According to a study of nearly 8,000 children, spraying flu vaccine into the noses of babies and preschoolers was 55% more effective than traditional flu shots for children under the age of 5.The makers of the nasal spray, which is now sold only for children 5 or older, plan to seek government approval to sell the spray for younger children.

Dozen of people who had routine operations claim they caught viruses and germs from body parts stolen from corpses in a scandal that has sent hundreds of people for tests. According to lawyers and court records, patients have tested positive for the viruses that cause AIDS, hepatitis or syphilis after receiving tissue transplants. So far, about two-dozen lawsuits have been filed in federal courts.

Statin-type drugs are effective for lowering cholesterol, but some people do experience nerve damage. Peripheral neuropathy is considered a rare side effect of statins and symptoms may include sensations of prickling, tingling, or burning in the extremities For those who cannot tolerate statins, either because of muscle or joint pain or because of peripheral neuropathy, there are other medications that can lower cholesterol effectively.

Scientists say they are developing a vaccine that can fight the most aggressive form of brain tumor. The treatment uses an artificial version of a protein, which is found on the outside of 30% to 50% of tumors, to alert the immune system to its presence and attack it. The vaccine has increased survival times for the 23 glioblastoma multiform (GBM) patients tested by at least 18 months. Though more research is needed, scientists believe the vaccine could be an easy "off-the-shelf" treatment that could potentially help half of all patients with GBM.