Our understanding of dysfunction of the gastrointestinal system in patients with Parkinson's
disease has increased substantially in the past decade. The entire gastrointestinal tract is …

The present systematic review critically examines the available scientific literature on risk
factors for malnutrition in the older population (aged≥ 65 y). A systematic search was …

Oropharyngeal dysphagia (OD) is a highly prevalent and growing condition in the older
population. Although OD may cause very severe complications, it is often not detected …

Background and purpose The role of the gut microbiome in the pathogenesis of Parkinson
disease (PD) is under intense investigation, and the results presented are still very …

Background: Poor olfaction is common among older adults and has been linked to higher
mortality. However, most studies have had a relatively short follow-up and have not explored …

Parkinson's Disease (PD) is currently considered a systemic neurodegenerative disease
manifested with not only motor but also non-motor symptoms. In particular, weight loss and …

Sensory perception begins before birth and enables us to interpret the biological relevance
of stimuli in our near environment. In early life, the senses play a crucial role in informing …

Administration of levodopa for Parkinson's disease (PD) has remained the most effective
therapy for symptom management despite being in use for over 50 years. Advancing …

Typical body weight changes are known to occur in Parkinson's disease (PD). Weight loss
has been reported in early stages as well as in advanced disease and malnutrition may …

Oxidative stress plays a fundamental role in the pathogenesis of Parkinson's disease (PD).
Oxidative stress appears to be responsible for the gradual dysfunction that manifests via …