Free radicals have acquired growing importance in the fields of biology and medicine. They
are produced during many different endogenous and exogenous processes. Mitochondria …

The overproduction of reactive oxygen species (ROS) has been implicated in the
development of various chronic and degenerative diseases such as cancer, respiratory …

Background Patients with coronavirus disease 2019 (COVID-19) or post-COVID-19 will
probably have a need for rehabilitation during and directly after the hospitalisation. Data on …

Chronic obstructive pulmonary disease is one of the leading causes of morbidity and
mortality worldwide and a growing healthcare problem. Identification of modifiable risk …

Chronic obstructive pulmonary disease (COPD) is the third leading cause of death
worldwide. While COPD is a mainly chronic disease, a substantial number of patients suffer …

Background The nutrition status of coronavirus disease 2019 patients is unknown. This
study evaluates clinical and nutrition characteristics of severely and critically ill patients …

Abnormalities in body composition can occur at any body weight. Low muscle mass is a
predictor of poor morbidity and mortality and occurs in several populations. This narrative …

In 2014, the European Respiratory Society published a statement on nutritional assessment
and therapy in COPD. Since then, increasing research has been performed on the role of …

Sarcopenia and frailty are geriatric syndromes characterized by multisystem decline, which
are related to and reflected by markers of skeletal muscle dysfunction. In older people …

Background Age-related loss of muscle, sarcopenia, is recognised as a clinical syndrome
with multiple contributing factors. International European Working Group on Sarcopenia in …