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Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

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Cyanide works by making the human body unable to use oxygen.

The biconcave disk shape of erythrocytes (red blood cells). The biconcave disk shape of erythrocytes (red blood cells).
The cells in blood; A, red blood cells (erythrocytes); B, platelets (thrombocytes); C, white blood c The cells in blood; A, red blood cells (erythrocytes); B, platelets (thrombocytes); C, white blood c
Erythrocytes contain large amounts of the oxygen-transporting protein Erythrocytes contain large amounts of the oxygen-transporting protein
A comparison of (a) uniform, cup-shaped, normal erythrocytes A comparison of (a) uniform, cup-shaped, normal erythrocytes
Erythrocytes. Erythrocytes.
Microcytic, hypochromic erythrocytes. Microcytic, hypochromic erythrocytes.
Video: Regulation of GFR: autoregulation via tubuloglomerular feedback, neural & hormonal regulation

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