When momentarily embarrassed, it is something in the pharynx that compels either a swallow, a clearing of the throat, or a slight cough; and so on for as many more instances as might be named. Our concern here being with the general view rather than with the details, I will not linger...
b. Why are nonsmokers less likely to develop a chronic cough? Relfexes Humans have many reflexes that happen involuntarily in response to specific stimuli. For example, when a doctor taps your knee in just the right spot,...
Vaccines have nearly eradicated several harmful infectious diseases such as polio, rubella (measles), pertussis (whooping cough), and varicella (chicken pox). Vaccinations are serums that contain a dead or weakened version of the disease-causing virus or ...
Is your dog coughing? Depending on the type and severity of the cough, there could be many reasons why.
cough shortness of breath pneumonia diarrhea Research has suggested that MERS is spread via person-to-person contact; however, some evidence has shown that dromedary camels also are a major host for MERS-CoV and source of MERS infection in humans. The WHO is still not clear on how the virus...
@serenesurface-- A productive cough is a sign of an infection, but it's also a good thing in the sense that it shows that the body is fighting it. You're not swallowing the phlegm right? Those with a productive cough should spit out the phlegm into a tissue and throw it out. Also...
在均匀致密完整的围岩中，受到初始的垂直应力σv=10MPa和水平应力σh=15MPa。在该岩体中进行圆形硐室开挖，如下图所示，R0=5m。假设在开挖完成后围岩依然处于弹性状态，请问在硐顶岩壁处（θ=90°，R0=5m）的最大主应力为
A smoker sees his doctor because he has had a persistent cough for months and is short of breath after very little exertion. What diagnosis will the doctor make and what can the person expect if he does not quit smoking? In a case of seizures, what is the significance of a n...
Patrick is a 70-year-old diabetic man with a 2-year history of stable chest pain when he exerts himself. He is awoken from sleep with the acute onset of crushing central chest pain which radiates to his neck and left arm. His normal medications include normally aspirin, a diuretic, a ch...
[16-18]. Moreover, the prevalence of long COVID symptoms varies over different follow-up periods. In the first 6-9 months, symptoms such as cough, headache, loss of taste, and loss of smell are usually present, while after 12 months dyspnea, fatigue, myalgia, and sleep disorder are ...