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[citation needed] The estradiol produced by male humans, from testosterone, is present at serum levels roughly comparable to those of postmenopausal women (14–55 versus <35 pg/mL, respectively). [ citation needed ] It has also been reported that if concentrations of estradiol in a 70-year-old man are compared to those of a 70-year-old woman ...
The most important risk factors for osteoporosis are advanced age (in both men and women) and female sex; estrogen deficiency following menopause or surgical removal of the ovaries is correlated with a rapid reduction in bone mineral density, while in men, a decrease in testosterone levels has a comparable (but less pronounced) effect. [33] [34]
Hemoglobin in the blood carries oxygen from the respiratory organs (lungs or gills) to the other tissues of the body, where it releases the oxygen to enable aerobic respiration which powers an animal's metabolism. A healthy human has 12 to 20 grams of hemoglobin in every 100 mL of blood. Hemoglobin is a metalloprotein, a chromoprotein, and ...
Men and women have the same number of ribs: 24, or 12 pairs. The erroneous idea that women have one more rib than men may stem from the biblical creation story of Adam and Eve. [294] The use of cotton swabs (aka cotton buds or Q-Tips) in the ear canal has no associated medical benefits and poses definite medical risks. [295]
The effect of estrogen on the immune system is in general described as Th2 favoring, rather than suppressive, as is the case of the effect of male sex hormone - testosterone. [89] Indeed, women respond better to vaccines , infections and are generally less likely to develop cancer , the tradeoff of this is that they are more likely to develop ...
Women have lower hematocrit (the volume percentage of red blood cells in blood) than men; this is due to lower testosterone, which stimulates the production of erythropoietin by the kidney. The normal hematocrit level for a woman is 36% to 48% (for men, 41% to 50%).
Men and women have the same number of ribs: 24, or 12 pairs. The erroneous idea that women have one more rib than men may stem from the biblical creation story of Adam and Eve. The use of cotton swabs (aka cotton buds or Q-Tips) in the ear canal has no associated medical benefits and poses definite medical risks.
state 2019 2019 →2020 2020 overall males females F Δ M overall males females F Δ M; US on average: 78.8: 76.3: 81.4: 3.1: −1.8: 77.0: 76.2: 79.9: 3.7 ...