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6 votes
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How can heart disease cause excessive sweating?

The answer lies in compensation. Take myocardial infarction, for starters. MI, if large enough, severely weakens the heart, and hence, at the same level of stimulation, it can no longer pump blood ...
stochastic13's user avatar
  • 4,689
6 votes

Why is the heart adversely impacted by chronic psychological stress, yet it benefits from routine physical exercise?

From the perspective of sympathetic nervous system Exercise induced adaptations of heart A common phenomenon in endurance athletes is the athlete's heart /athletic heart syndrome Once athletes stop ...
user 33690's user avatar
  • 1,955
5 votes
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What is the cause of a protuberant belly in kwashiorkor?

The Gastroenterology paper you cite doesn't mention distended bellies at all. There is no dispute that fatty liver is a symptom of kwashiorkor. But the Wikipedia article makes it quite clear that ...
Lawnmower Man's user avatar
5 votes
Accepted

Why gout attacks mostly big toe?

The question has been explored in great depth in the cited paper. Have a look. Roddy E. Revisiting the pathogenesis of podagra: why does gout target the foot?. Journal of foot and ankle research. ...
stochastic13's user avatar
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5 votes

How does vitamin C increase iron uptake?

Vitamin C both enhances iron uptake, and affects iron metabolism: in addition to the known ability of dietary ascorbate to enhance nonheme iron absorption in the gut, ascorbate within mammalian ...
iayork's user avatar
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4 votes
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Pathophysiology of pink frothy sputum in pulmonary edema

Even though the fluid in pulmonary edema is a transudate, there is blood in it. This is substantiated by the fact that there are microhemorrhages in acute lung congestion and hemosiderin laden ...
Polisetty's user avatar
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3 votes

What is the cause of a protuberant belly in kwashiorkor?

Abdominal distension is common in kwashiorkor, and many reasons have been proposed for it [1,2]: Dilated bowel loops (because of gas produced by bacterial overgrowth), An enlarged liver (because of ...
Adhish's user avatar
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3 votes
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Pneumonia in children after abdominal operations

Abdominal surgery results in a painful wound that affects the abdominal muscles, which are important for coughing. The Lungs and respiratory tracts constantly secrete mucus that flows upwards to the ...
Matt Dee's user avatar
  • 189
3 votes

Predictive Single Nucleotide Polymorphisms (SNPs) for Bipolar Disorder

Yes, there have been a variety of studies that do association analysis of variants with bipolar disorder. Here is a recent one that validated 11-30 variants depending on how you count. However, in ...
Maximilian Press's user avatar
2 votes

Pneumonia in children after abdominal operations

Pneumonia after abdominal surgery can develop due to: Decreased breathing movements when lying in the bed Anesthetics/sedation use that decrease the sensation of irritation in the lungs and hence ...
Jan's user avatar
  • 8,089
2 votes

Why is the heart adversely impacted by chronic psychological stress, yet it benefits from routine physical exercise?

I have an answer, but it is not ideal because science's current understanding of the answer to your question is somewhat limited. The detrimental influence of physiological stress upon the heart is ...
sterid's user avatar
  • 466
1 vote
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Why ketoacidosis is less common in patients of Noninsulin Dependent Diabetes Mellitus?

This is a good and important question. The answer is not obvious, or necessarily well understood. Hyperglycemic crises occur in both Type 1 and Type 2 diabetes. In type 1 diabetes, the crisis is more ...
De Novo's user avatar
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1 vote
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What does the immune system do to stop pathogens that aren't killed by macrophages?

There are two broad types of infection classified by their persistence: acute and chronic infections. I find that most courses on immunology nicely cover acute infections and their detection, and ...
CKM's user avatar
  • 8,119
1 vote

Why is the heart adversely impacted by chronic psychological stress, yet it benefits from routine physical exercise?

I believe the best answer to your question is that psychological stress increases the levels of a chemical compound called cortisol in the body (a glucocorticoid stress hormone) while physical ...
user22542's user avatar
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1 vote
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Who were "Dawson and Wilson" (mentioned as authors of an embryonic postmortem examination method)?

This article (A Note on the Staining of the Skeleton of Cleared Specimens with Alizarin Red S) looks to be the one by Dawson. Update: I think the Wilson your text is referring to is James G. Wilson, ...
LinuxBlanket's user avatar
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1 vote

Can non-carbonated energy drinks boost alcohol intoxication?

A very well-written question, so I'm sorry if my answer is a bit too simple. Perhaps it will attract attention of somebody with a better answer. I think the effect could be mainly caused by the fact ...
JohnEye's user avatar
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