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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.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.