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The concept of "race" as a classification system of humans based on visible physical characteristics emerged over the last five centuries, influenced by European colonialism. [12] [18] However, there is widespread evidence of what would be described in modern terms as racial consciousness throughout the entirety of recorded history.
Racial fluidity is the idea that race is not permanent and fixed, but rather imprecise and variable. [1] The interpretation of someone's race, including their self-identification and identification by others, can change over the course of a lifetime, including in response to social situations. The racial identity of groups can change over time ...
The gender gap in life expectancy suggests differences in the aging process between males and females. A key factor underlying aging is considered to be DNA damage, particularly DNA double-strand breaks, and the capability to repair these damages declines with age. [128]
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Gender-based medicine, also called "gender medicine", is the field of medicine that studies the biological and physiological differences between the human sexes and how that affects differences in disease. Traditionally, medical research has mostly been conducted using the male body as the basis for clinical studies.
Genomic research has been predominantly based upon DNA samples with European heritage, which fails to holistically and accurately describe the complexity of all people's genetics. [80] Other confounding factors related to diversity such as age, gender, or socioeconomic status may also influence genetic discrimination in addition to race. [75]
Gender fluidity (commonly referred to as genderfluid) is a non-fixed gender identity that shifts over time or depending on the situation. These fluctuations can occur at the level of gender identity or gender expression. A genderfluid person may fluctuate among different gender expressions over their lifetime, or express multiple aspects of ...
Among his vocal critics were some of Darwin's supporters, such as Alfred Wallace, a believer in spiritualism and a non-material origin of the human mind, who argued that animals and birds do not choose mates based on sexual selection, and that the artistic faculties in humans belong to their spiritual nature and therefore cannot be connected to ...