Introduction Exercise-associated hyponatremia (EAH) is a fluid-electrolyte disorder caused by a decrease in sodium levels (hyponatremia) during or up to 24 hours after prolonged physical activity. This disorder can develop when marathon runners or endurance event athletes drink more fluid, usually water or sports drinks, than their kidneys can excrete. This excess water can severely dilute the…

Introduction Diuresis is the excretion of urine, especially when excessive (polyuria). The term collectively denotes the physiologic processes underpinning increased urine production by the kidneys during maintenance of fluid balance. In healthy people, the drinking of extra water produces mild diuresis to maintain the body water balance. Many people with health issues, such as heart failure…

Update on the Efficacy of Military Fluid Intake Guidance.

Research Paper Title

Update: Efficacy of Military Fluid Intake Guidance.

Background

Fluid intake during military training is prescribed based on the interactions among work rates, environmental conditions, and uniform configurations. The efficacy of this guidance has not been empirically assessed in over a decade. To determine the acceptability of the fluid intake guidance, sweat losses…

Liquid Gold: Fancy a Drink of Water?

Did you know you can buy a bottle of water from Harrods for £80 (US$99), an upmarket department store in London (The Economist, 2017). Premium water, i.e. bottled water selling for $1.30 or more per litre, is commonly referred to as ‘liquid gold’.

“According to Zenith Global, a consulting firm, the global market has grown by 9% annually in recent years and is worth $147bn. The main reason is…

The Prevalence of Caffeine Use in [US] Military Populations

Research Paper Title

Caffeine Use among Active Duty Navy and Marine Corps Personnel.

Background

Data from the National Health and Nutrition Examination Survey (NHANES) indicate 89% of Americans regularly consume caffeine, but these data do not include military personnel.

Methods

This cross-sectional study examined caffeine use in Navy and Marine Corps personnel, including prevalence, amount of…