Tag: gastrointestinal tract

The Gut-Brain, Gut-Immune Connection to Chronic Fatigue

Chronic fatigue syndrome (CFS) is a condition often considered difficult to understand. The main characteristic of CFS is persistent and relapsing fatigue, usually worsened by physical and mental exertion. It also involves neuropsychological symptoms including loss of memory or concentration, headaches, sleep disturbances, depression, and anxiety. Of these symptoms, depression and anxiety are the most common with about half of…

Does Parkinson’s Disease Originate in the Gut?

Parkinson’s disease (PD) is the most common serious movement disorder and second most common neurodegenerative disorder in the world (the first being Alzheimer’s disease).1,2 PD involves loss of neurons in the specific area of the brain that controls motor movement—the substantia nigra. Parkinson’s disease involves the gradual death of dopaminergic neurons in the substantia nigra and the presence of Lewy…

The Human Microbiome Project

The Human Microbiome Project is a five-year research collaboration between 200 scientists at 80 universities and scientific institutions, all funded with $153 million by the National Institutes of Health (NIH) with the aim of, “characterizing the microbial communities found at several different sites on the human body, including nasal passages, oral cavities, skin, gastrointestinal tract, and urogenital tract, and to…