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e. Middle age, or middle adulthood, is the age range of the years halfway between childhood and old age. [1] The exact range is subject to academic debate, but the term is commonly used to denote the age range from around 40–45 to around 60–65 years. [2][3][4][5] Many changes may occur between young adulthood and this stage. [6][7][8] This ...
v. t. e. Old age is the range of ages for people nearing and surpassing life expectancy. People of old age are also referred to as: old people, elderly, elders, seniors, senior citizens, or older adults. [ 1 ] Old age is not a definite biological stage: the chronological age denoted as "old age" varies culturally and historically. [ 2 ]
List of decades, centuries, and millennia. The list below includes links to articles with further details for each decade, century, and millennium from 15,000 BC to AD 3000. Century. Decades. 15th millennium BC · 15,000–14,001 BC. 14th millennium BC · 14,000–13,001 BC. 13th millennium BC · 13,000–12,001 BC. 12th millennium BC · 12,000 ...
Sexagesimal, also known as base 60, [1] is a numeral system with sixty as its base. It originated with the ancient Sumerians in the 3rd millennium BC, was passed down to the ancient Babylonians, and is still used—in a modified form—for measuring time, angles, and geographic coordinates. The number 60, a superior highly composite number, has ...
The age of majority, also known as legal age, is the threshold of legal adulthood as recognized or declared in law. [1] It is the moment when a person ceases to be considered a minor and assumes legal control over their person, actions, and decisions, thus terminating the control and legal responsibilities of their parents or guardian over them ...
The retirement age will gradually increase to 62 for males by 2028 and 60 for females by 2035. In 2021, the retirement age is 60.25 (age 60 and 3 months) for men and 50.33 (age 50 and 4 months) for women, the age will be increased by 3 months each year following for men and 4 months for women. [90]
Atherosclerosis is classified as an ageing disease. [42] It leads to cardiovascular disease (for example, stroke and heart attacks), [43] which, globally, is the most common cause of death. [44] Vessel ageing causes vascular remodelling and loss of arterial elasticity, and as a result, causes the stiffness of the vasculature. [42]
An adult is a human or other animal that has reached full growth. [1] The biological definition of the word means an animal reaching sexual maturity and thus capable of reproduction. In the human context, the term adult has meanings associated with social and legal concepts. In contrast to a non-adult or "minor", a legal adult is a person who ...