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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Prolonged abuse leads to production of stress hormones that can lead to a cascade of effects ... Prolonged abuse leads to production of stress hormones that can lead to a cascade of effects ...
A properly mounted 12-lead, single channel ECG. A properly mounted 12-lead, single channel ECG.
The coagulation cascade. Both the intrinsic pathway and extrinsic pathway lead to a common pathway ... The coagulation cascade. Both the intrinsic pathway and extrinsic pathway lead to a common pathway ...
The digital multimeter should be set to read DC volts and the red lead connected to the battery ... The digital multimeter should be set to read DC volts and the red lead connected to the battery ...
To test the normally open contacts, connect one meter lead to terminal 30 and the other lead to ... To test the normally open contacts, connect one meter lead to terminal 30 and the other lead to ...
Gingivitis causes redness and swelling of the gums and can lead to more serious gum disease Gingivitis causes redness and swelling of the gums and can lead to more serious gum disease
Video: Primary and secondary response to infection

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