Report: Is saturated fat really bad for your heart? Last week, a report in the Annals of Internal Medicine questioned the idea of saturated fats being a significant factor in cardiovascular disease. It stated, "Current evidence does not clearly support cardiovascular guidelines that encourage high consumption of polyunsaturated fatty acids and low consumption of total saturated fats." Not so fast, said Dr. David Katz, a renowned physician and inventor of the NuVal score. He said the study, which is pooled from previously published studies, does not refute what we know about nutrition. He said the meta-analysis does not consider other factors that contribute to heart disease. See the report here: See Dr. Katz's response here:

Researchers are eyeing pot for PTSD. Researchers said there has been a lot of anecdotal evidence that marijuana helps relieve the symptoms of post-traumatic stress disorder, such as anxiety, flashbacks and insomnia. However, there has been no controlled study on the subject. Researchers from the University of Arizona on Friday got the approval from the U.S. Department of Health and Human Services' Public Health Service to proceed with a study. It won the approval of the Food and Drug Administration in 2011. The last step is to get an approval from the Drug Enforcement Administration.

Headaches rack up $1 billion worth of scans annually. Researchers at the University of Michigan said doctors were wasting money when they unnecessarily ordered brain scans for patients who complain of headaches. They said Americans spent $1 billion each year on these scans. The report was published in the journal, JAMA Internal Medicine. See the report here:


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