Often solutions for long standing issues come from the most unexpected places. A new study has found that dogs could detect Parkinson's early, which not only improves the results of treatment. We have seen many instances of animals helping people with chronic conditions navigate their daily lives with the help of a service dog whether it is a seeing eye dog, a service dog for people with fainting or heart conditions etc. Dogs' amazing sense of smell has always been a big help to people. They've been used for everything from finding criminals to sniffing out hidden human remains and illegal drugs. Their powerful noses have even helped detect diseases like prostate cancer, malaria, and COVID-19. Now, it looks like their incredible sense of smell can also pick up on problems with the brain and nervous system. Canines Detect Parkinson's Disease A new study published in the Journal of Parkinson’s Disease reveals that dogs can be trained to detect Parkinson's disease solely through their sense of smell. Researchers found that two specially trained canines demonstrated high accuracy in identifying individuals with confirmed Parkinson's based on skin swabs. When the dogs were given samples of skin swabs, they were able to correctly identify people with confirmed Parkinson's disease about 80% of the time. What's even more impressive is that they were right about 98% of the time when they said someone didn't have Parkinson's. The study also noted that the dogs could still find Parkinson's even if the person had other health issues. This shows how incredibly precise their sense of smell is. Science Behind the Scent Parkinson's disease is a condition that gets worse over time, making it harder for people to move. It's caused by the death or damage of brain cells that produce a chemical called dopamine. An early sign of this disease is when the skin produces too much sebum, an oily substance. Scientists thought this extra sebum might have a unique smell that dogs could be trained to recognize, allowing them to detect the disease. For the study, five dogs were initially trained to smell for Parkinson's. However, only a Golden Retriever named Bumper and a Black Lab named Peanut proved to be skilled enough. They trained for weeks using over 200 samples from people with Parkinson's and healthy individuals. The dogs were rewarded for every correct identification, either by finding a Parkinson's sample or ignoring a healthy one. In the final tests, called "double-blind testing," even the researchers didn't know which samples belonged to whom—only a computer did. This ensured the results were fair. Both Bumper and Peanut were highly accurate at finding the disease during these tests. Implications for Early Diagnosis Researchers suggest that using dogs could lead to a fast, pain-free, and affordable way to find Parkinson's disease. This study emphasizes the importance of these findings because there's currently no early test for the disease. Symptoms can begin up to 20 years before they become obvious enough for a diagnosis. The research shows that an early diagnosis is critical because starting treatment sooner could help slow the disease's progression and reduce the intensity of symptoms. Ultimately, this research suggests that dogs could play a major role in early detection and better management of Parkinson's.