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Drug addiction is a disease of the brain, and teens are at the highest risk for acquiring this disease. Stephen Dewey and other leading scientists detail how drugs like heroin, nicotine, cocaine, and marijuana change the brain by altering the way it registers pleasure. Young recovering addicts describe how addiction involves intense craving for a drug and loss of control over its use.
(Source: DCMP)
Scientists are working on cloning a dog breed with exceptional capabilities for keeping airports safe. In South Korea, the airport uses two cloned dogs to locate illegal drugs which are smuggled into the country. Scientists created seven dogs that are clones from an award winning sniffer dog.
How do horseshoe crabs keep humans healthy? They have blue, copper-based blood, which quickly clots in the presence of bacterial toxins. Medical researchers use it to test intravenous drugs, vaccines, and medical devices, ensuring that they are free of bacterial contamination. Part of "The Remarkable Horseshoe Crab" series.
Scientists search the earth and sea for new medicines, knowing that half of today's curative preparations come from or contain ingredients from nature. Names some plants that provide components for familiar medications, and notes, for example, that 3,000 plants help control or fight different cancers. The research process to locate, refine, and test new drugs is long and complex. Natural substances from rain forests, marine life, and even soil have enormous potential for healing.
Most people view antibiotics as miracle drugs. They can get rid of a whole range of infections. But because they are prescribed for so many different ailments, they are easy to overuse. The medical community is now at a crisis point because many of them simply don’t work anymore. Scientists are hunting urgently for new antibiotics--a challenge that is taking them to some remote and unusual places.
Peoples’ attitudes about marijuana have changed dramatically over the years, but one thing is certain--marijuana changes the way the brain functions. The THC in marijuana enters the lungs, is absorbed into the bloodstream, and enters the brain almost immediately. Viewers will understand the immediate effects of marijuana use on various body systems. This program also discusses the effects of marijuana on attention, memory, and learning. Part of the "Talk It Out" series.
