Age-Dependent Autonomic Changes Following Immersion in Cool, Neutral, and Warm Water Temperatures

Age-Dependent Autonomic Changes Following Immersion in Cool, Neutral, and Warm Water Temperatures

Aquatic immersion has been reported to produce a significant number of physiological changes in blood pressure, heart rate variability (HRV), autonomic nervous system (ANS), and core temperature in young healthy subjects. The purpose of this study was to examine the impact of water immersion in younger and older populations, determining whether there are age related differences for ANS regulati...

Age-dependent electrocardiographic and echocardiographic changes in German Shepherd dogs

By causing numerous changes in the cardiovascular system, ageing leads to a decreased threshold for clinical manifestation of heart disease. The aim of this study was to define the existence of cardiac structural and functional changes in healthy dogs of different age. Radiographic, electrocardiographic (ECG) and echocardiographic examinations of 20 clinically healthy German Shepherd dogs were ...

Warm up and cool down!

In adaption to shifts in ambient temperature, both prokaryotic and eukaryotic cells maintain physiological homeostasis by adjusting various cellular properties, including membrane lipid fluidity, the capacity to maintain proteostasis and rate of protein synthesis [1]. How cells respond to temperature changes is a fundamental question in cell physiology. Here we briefly review current understand...

Body temperature changes in sea-water immersion.

Impact of cool versus warm temperatures on gestation in the aspic viper (Vipera aspis).

Previous experimental data suggested that digestion and growth rates are not impaired under cool constant temperature (23°C) in a viviparous snake (Vipera aspis). These results challenged the widespread notion that both elevated temperatures (e.g. 30°C) and temperature fluctuations are required for digestion and growth in temperate climate reptiles. Here, we investigated the impact of constant ...