Letter: Is hypocalcaemia protective against hyperlipidaemia?

Nitric Oxide is Protective Against Mercury Induced Depression

A B S T R A C T Introduction: Mercury is the second most metal pollutant in the world and has the potential to induce many pathologic conditions, especially in nervous system, such as depression. Here we tried to find out if nitric oxide has any possible role in the pathophysiology of depression induced by this metal. Although the role of nitric oxide has been shown in mood control, here we use...

Is bilirubin protective against coronary artery disease?

Is obesity in women protective against osteoporosis?

The belief that obesity is protective against osteoporosis has recently come into question. The latest epidemiologic and clinical studies have shown that a high level of fat mass might be a risk factor for osteoporosis and fragility fractures. Further, increasing evidence seems to indicate that different components of the metabolic syndrome, ie, hypertension, increased triglycerides, reduced hi...

Is Exercise Protective Against Influenza-Associated Mortality?

BACKGROUND Little is known about the effect of physical exercise on influenza-associated mortality. METHODS AND FINDINGS We collected information about exercise habits and other lifestyles, and socioeconomic and demographic status, the underlying cause of death of 24,656 adults (21% aged 30-64, 79% aged 65 or above) who died in 1998 in Hong Kong, and the weekly proportion of specimens positiv...

Corpus gastritis is protective against reflux oesophagitis.

BACKGROUND Gastric acid is important in the pathogenesis of reflux oesophagitis. Acid production by the gastric corpus is reduced in corpus gastritis. AIMS To determine whether corpus gastritis protects against reflux oesophagitis. METHODS Patients presenting for elective oesophagogastroduodenoscopy were studied. Two biopsy specimens were taken from the antrum, corpus, and cardia and staine...