Influenza virus tissue tropism defines the host cells and tissues that support viral replication and contributes to determining which regions of the respiratory tract are infected in humans. The location of influenza virus infection along the respiratory tract is a key determinant of virus pathogenicity and transmissibility, which are at the basis of influenza burdens in the human population. A...

INTRODUCTION Need for recommendations on respiratory aspects of fitness to dive Diving has long been performed for commercial and military purposes but it has undergone a dramatic increase in popularity as a leisure pursuit over the past 30 years. It is estimated that, in the United Kingdom, 100 000 individuals participate in diving activities. In addition, diving technology has evolved rapidly...

INTRODUCTION Need for recommendations on respiratory aspects of fitness to dive Diving has long been performed for commercial and military purposes but it has undergone a dramatic increase in popularity as a leisure pursuit over the past 30 years. It is estimated that, in the United Kingdom, 100 000 individuals participate in diving activities. In addition, diving technology has evolved rapidly...

BACKGROUND Promoting the health of transitional frail elders (e.g., through therapeutic-based yoga exercises) is essential to reduce healthcare expenditures caused by chronic health problems. OBJECTIVE The purpose of this study was to determine the efficacy of 24 weeks of the senior-tailored silver yoga (SY) exercise program for transitional frail elders. METHODS A convenience sample of 69 ...

Introduction:The cardio respiratory fitness is having an greater role in the reduction of morbidity mortality related to cardiac disease .In India diseases are major cause factor for mortality. Around 80% death happening due diseases. In 18th centuries cardiovascular risk age groups lies above 40 years but current situation its being reduced 25-30 lifestyle changes and dietary alternations. Thi...

Patients with respiratory diseases may be at risk during flight because at cruising altitude an important hypobaric hypoxia may occur. The only absolute contraindications to flying in these patients are pneumothorax, bronchogenic cyst and severe pulmonary hypertension. In order to evaluate the risks related to air travel in patients with respiratory diseases, an evaluation of their fitness to f...

BACKGROUND This paper is the second of two reports that together review the scientific evidence regarding the inverse relation between physical activity and cardiovascular fitness and coronary heart disease (CHD). METHODS Using a MEDLINE search with the key words exercise, physical fitness, coronary heart disease, and cardiovascular disease, more than 75 articles were reviewed, evaluating stu...