Arguably the most convenient and least invasive way of doing that is through functional magnetic resonance imaging, or fMRI — a technique that measures changes in blood flow and blood oxygen levels in the brain, thereby showing which parts of the brain are activated when people perform various tasks. (sciencemag.org)
While studying snow leopard scat is one of the least invasive ways to look at what the animals are eating and gauge their food preferences, according to a new UD study it may not always be the most accurate. (sciencedaily.com)
The most common, least invasive way to diagnose lactose intolerance is through breath testing. (greenvalleylactosefree.com)