Obesity is a widespread health challenge. It is less commonly known that obesity also affects the brain, leading to reduced cognitive function and executive abilities.
The cardinal movement symptoms, stiffness, and tremor in Parkinson’s disease are caused by the gradual loss of neurons producing dopamine in the substantia nigra.
The Evolution of Human-Dog Vocal Communication
Vocal communication between dogs and humans has evolved to be highly effective, shaped by the needs of both species.
For years, researchers exploring chronic pain have focused mainly on neurons, the cells responsible for transmitting pain signals. That may not be the entire truth.
Human beings use a complex system that perceives and interacts with their surroundings. Our sensory system not only processes external stimuli but also anticipates the