Alternate methods of minimally invasive coronary artery bypass surgery have been developed. It is recognised as a treatment strategy that is both minimally invasive and minimally toxic. The embalming procedure is a surgical one, albeit rather minimally invasive. Several methods of testing exist, including invasive and noninvasive testing methods. Measurements of vagal tone can be performed by means of either invasive or noninvasive procedures. Climate change interacts with other pressures such as habitat modification, pollution and invasive species. Many kinds of insects and invasive species exhibit "r"-selected characteristics. In 2008, Simon was reportedly dating Richard Koehler, a surgeon specializing in minimally invasive laparoscopy. Bacterial infections that cause bloody diarrhea are typically classified as being either invasive or toxogenic. Several scientific bodies are involved in research for the control of invasive species. Some mint species are more invasive than others. Less invasive diagnostic techniques have been proposed. Human populations may themselves act as invasive predators. Monoclonal antibodies increase the sensitivity in detecting even small quantities of invasive or metastatic cells. As such it has become one of the continent's most invasive species.