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Blood is red due to the presence of hemoglobin; deoxygenated blood (in veins) has a deep red color, and oxygenated blood (in arteries) has a light cherry-red color. Veins below the skin can appear blue or green due to subsurface scattering of light through the skin, and aspects of human color perception.
Alcohol concentration in beverages is commonly expressed as alcohol by volume (ABV), ranging from less than 0.1% in fruit juices to up to 98% in rare cases of spirits. A "standard drink" is used globally to quantify alcohol intake, though its definition varies widely by country. Serving sizes of alcoholic beverages also vary by country.
This is the most common human hemoglobin tetramer, accounting for over 97% of the total red blood cell hemoglobin in normal adults. [55] hemoglobin A2, (HbA2) is a second form of adult hemoglobin and is composed of two alpha and two delta chains. This hemoglobin typically makes up 1-3% of hemoglobin in adults. [55]
This is an accepted version of this page This is the latest accepted revision, reviewed on 4 February 2025. Group of endocrine diseases characterized by high blood sugar levels This article is about the common insulin disorder. For the urine hyper-production disorder, see Diabetes insipidus. For other uses, see Diabetes (disambiguation). Medical condition Diabetes Universal blue circle symbol ...
Blood donation campaigns are events that allow people to donate blood at schools, churches, and other community locations. A blood drive or a blood donor session is an event in which donors come to donate allogeneic blood. These can occur at a blood bank, but they are often set up at a location in the community, such as a shopping center ...
[239] A study published in the UK in 2025 found that after women received a diagnosis of endometriosis in an English NHS hospital their earnings were on average £56 per month less in the four to five years after diagnosis than they were in the two years before. There was also a reduction in the proportion of women in employment.
Smoking most commonly leads to diseases affecting the heart and lungs and will commonly affect areas such as hands or feet. First signs of smoking-related health issues often show up as numbness in the extremities, with smoking being a major risk factor for heart attacks, chronic obstructive pulmonary disease (COPD), emphysema, and cancer, particularly lung cancer, cancers of the larynx and ...