Define ageing. Mention any three theories of ageing.

Question

27 Jan 2024

Answer :

Word Count : 487

Ageing: Understanding the Complex Phenomenon from a Physiology and Biochemistry Perspective

Ageing is a complex and multifaceted biological process that involves a gradual decline in the functional capacity of an organism over time. This intricate phenomenon is influenced by a combination of genetic, environmental, and lifestyle factors. Ageing affects all living organisms, from single-celled organisms to multicellular organisms like humans, and is characterized by a progressive loss of physiological integrity, leading to impaired function and an increased vulnerability to various diseases.

Three Theories of Ageing:

1. Free Radical Theory:
One prominent theory explaining the ageing process is the Free Radical Theory, proposed by Denham Harman in the mid-20th century. According to this theory, ageing is attributed to the cumulative ____ __________ _________ ____ ___ ___ _________ __________.
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