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Free nursing knowledge — study guides, clinical references, career tips, and professional development content for nurses at every stage.
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The Soleus Muscle: Why It’s Called the Body’s “Second Heart”
Hidden deep within your calf is the soleus muscle—often called the body’s “second heart” because of its vital role in helping blood return to the heart. Discover how this remarkable muscle supports circulation, posture, endurance, and overall health, and why keeping it active is more important than you might think.
11 Jul 2026
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Drug of the Day; STREPTOMYCIN
Streptomycin is an aminoglycoside antibiotic derived from the soil bacterium Streptomyces griseus. It is primarily used to treat serious bacterial infections, most notably tuberculosis (in combination with other drugs), plague, tularemia, and endocarditis
6 Jul 2026