Indica and sativa are the two main types of cannabis. Cannabis is one of the oldest crops known to mankind, with records of its cultivation dating back thousands of years. Today, it is widely accepted that marijuana has two different species: Cannabis indica and Cannabis sativa.ndica and sativa are the two main types of cannabis. Cannabis is one of the oldest crops known to mankind, with records of its cultivation dating back thousands of years. Today, it is widely accepted that marijuana has two different species: Cannabis indica and Cannabis sativa.
That would make medical errors the third-leading cause of death in America, behind heart disease, which is the first, and cancer, which is second. The new estimates were developed by John T. James, a toxicologist at NASA 's space center in Houston who runs an advocacy organization called Patient Safety America.
The Centers for Disease Control and Prevention in 2011 said 1-in-25 hospital patients get an infection from being in the hospital; 700,000 of them get sick as a result and 75,000 die. In addition to deaths and injuries, medical errors also cost billions of dollars. One 2011 study put the figure at $17 billion a year. Counting indirect costs like lost productivity due to missed work days, medical errors may cost nearly $1 trillion each year, according to a 2012 report in the Journal of Health Care Finance.