AP - A large new study found no sign that vitamin D lowers the overall risk of dying from cancer, injecting a note of caution to the latest vitamin craze. The exception: People with more vitamin D in their blood did have a significantly lower risk of death from colorectal cancer, supporting earlier findings.

  AP - West Virginia is hoping that a little wheel can make a big difference in the state's obesity problem. The wheel is a body mass index calculator, a low-tech tool that will be distributed to doctors across the state as part of a new effort to get physicians to recognize obesity early in their patients.

  AP - Science is getting a grip on people's fears. As Americans revel in all things scary on Halloween, scientists say they now know better what's going on inside our brains when a spook jumps out and scares us. Knowing how fear rules the brain should lead to treatments for a major medical problem: When irrational fears go haywire.

  AP - Use of cholesterol and blood pressure medicines by young adults appears to be rising rapidly —at a faster pace than among senior citizens, according to an industry report being released Tuesday.

  AP - Devil's Revenge. Spontaneous Combustion. Hot sauces have names like that for a reason. Now scientists are testing if the stuff that makes the sauces so savage can tame the pain of surgery.

  Reuters - Watching too much television may not only help make children fat, it may also raise their blood pressure, U.S. researchers said on Tuesday.

  HealthDay - TUESDAY, Oct. 30 (HealthDay News) -- Among prostate cancerpatients undergoing a high-tech form of radiation therapy, exposure to ahigher amount of radiation over a shorter time span poses no added riskfor impaired sexual function, new research reveals.

  Reuters - Ziprasidone, sold under the trade name Geodon, is well tolerated by patients and shows long-term efficacy as maintenance therapy for patients with schizophrenia who have not responded to other drugs, according to the results of a clinical trial published in the Journal of Clinical Psychiatry.

  AP - In the lab, psychology professor David Zald studies how fast adults react to fear. At his home this time of year, he watches kids adjust to it.

  Reuters - About 10 percent of Americans aged 71 and up, or 2.4 million people, have Alzheimer's disease and 1 million more have some other form of dementia, researchers said on Tuesday, offering figures lower than some widely cited estimates.

  Reuters - Breast cancer has risen sharply in Beijing, China's capital, and in Shanghai, its top financial centre during the last decade due to unhealthy diets, a poor environment and increased stress at work, state media reported on Tuesday.