The document discusses several biological theories of aging:
1) The free radical theory proposes that free radicals build up in the body over time and cause cellular damage, leading to aging. Free radicals are unstable molecules that damage cells.
2) The mitochondrial free radical theory of aging suggests that increased free radicals cause oxidative damage, mutations, and decreased lifespan. However, later research found free radicals are not directly related to lifespan.
3) The wear and tear theory asserts that aging is caused by progressive damage to cells and body systems over time from toxins and environmental factors.
Biologist & gerontologist used concept of senescence to explain biological aging
Senescence or normal aging refers to a gradual, time related to biological process that takes places as degenerative processes overtake regenerative or growth processes.
or
senescence: a change in the behavior of an organism with age leading to a decreased power of survival and adjustment
Theories of Biological Aging and Implications for Public Health – Executive S...Ted Goldsmith
Overview of biological aging theories including their history, current status, evolutionary basis, key theorists, and implications for medical research.
Biologist & gerontologist used concept of senescence to explain biological aging
Senescence or normal aging refers to a gradual, time related to biological process that takes places as degenerative processes overtake regenerative or growth processes.
or
senescence: a change in the behavior of an organism with age leading to a decreased power of survival and adjustment
Theories of Biological Aging and Implications for Public Health – Executive S...Ted Goldsmith
Overview of biological aging theories including their history, current status, evolutionary basis, key theorists, and implications for medical research.
Short introduction
Definition
Theorieses of aging
causes of aging
life span
Aging can be defined as the time related deterioration of the physiological functions necessary for survival .
Or
Can be define as increase in impairment in Physiological functions with age , Increased in suspectebility to diseases and decrease in ability of fertility
aging is the impact of time on the human body, and it occurs on multiple levels:
Cellular changes
Extracellular changes
1) cellular changes
Causes of aging
Cellular senescence and aging
Telomere shortening: linked to life expectancy and aging
Mitochondrial dysfunction and aging
Oxidative stress
Stem cell exhaustion
Developmental biology by T.subramonium
Developmental biology 6th edition
The Aging process is a broad topic. This power point hopes to help you understand the process and what can be done to help you age gracefully and positively.
How can we improve the quality of life of an aging person? How can a geriatric physician and a geriatric counselor can work as a team. Who else are the other professionals to be included in the geriatric care team? What are the problems faced by the elderly? These are some of the questions we are trying to find an answer for. Caring for elder persons is getting more and more importance as the number of old people are increasing these days. Relatives alone can't meet the challenges of caring for the old. You need professional who can understand and render proper help in this regard. So geriatric counseling is getting more and more acceptance. Alzheimer's Syndrome, senile dementia, rheumatic pains, feeling of alienation etc are some of the problems counselor have to cope up with.
https://physioaadhar.com/physiotherapy-blogs/
These two categories of the theory are also referred to as non-programmed ageing theories based on evolutionary concepts (where ageing is considered the result of an organism's inability to better combat natural deteriorative processes), and programmed ageing theories (which consider ageing to ultimately be the result o
Short introduction
Definition
Theorieses of aging
causes of aging
life span
Aging can be defined as the time related deterioration of the physiological functions necessary for survival .
Or
Can be define as increase in impairment in Physiological functions with age , Increased in suspectebility to diseases and decrease in ability of fertility
aging is the impact of time on the human body, and it occurs on multiple levels:
Cellular changes
Extracellular changes
1) cellular changes
Causes of aging
Cellular senescence and aging
Telomere shortening: linked to life expectancy and aging
Mitochondrial dysfunction and aging
Oxidative stress
Stem cell exhaustion
Developmental biology by T.subramonium
Developmental biology 6th edition
The Aging process is a broad topic. This power point hopes to help you understand the process and what can be done to help you age gracefully and positively.
How can we improve the quality of life of an aging person? How can a geriatric physician and a geriatric counselor can work as a team. Who else are the other professionals to be included in the geriatric care team? What are the problems faced by the elderly? These are some of the questions we are trying to find an answer for. Caring for elder persons is getting more and more importance as the number of old people are increasing these days. Relatives alone can't meet the challenges of caring for the old. You need professional who can understand and render proper help in this regard. So geriatric counseling is getting more and more acceptance. Alzheimer's Syndrome, senile dementia, rheumatic pains, feeling of alienation etc are some of the problems counselor have to cope up with.
https://physioaadhar.com/physiotherapy-blogs/
These two categories of the theory are also referred to as non-programmed ageing theories based on evolutionary concepts (where ageing is considered the result of an organism's inability to better combat natural deteriorative processes), and programmed ageing theories (which consider ageing to ultimately be the result o
Free radicals are unstable, highly reactive molecules which are generated both in the body and outside the body. They are described as electron hungry molecules produced when oxygen is metabolized or burned by the body
Role of Free Radical in diseases
The following presentation was delivered at the Pathways to Longevity conference on Oct 22nd, 2014 in Honolulu by Dr. Maya Nicole Baylac.
Here is a summary of the themes of this presentation -
What is aging and what happens to our bodies when we age?
What causes aging and chronic illness?
Longevity factors
Discussion and review of centenarian studies
How do we apply the lifestyle factors of centenarians to the modern world
The consequences of sedentary lifestyles and chronic sitting
Finding meaning in the world
Emotional stress and longevity
This is a presentation we gave to the Gardens Club members sometime in July this year. We\'ve now uploaded the presentation to our page so that you can also learn more about antioxidants, and Ecoparadise therapy. Do feel free to ask us any questions you may have. Enjoy!
A brief introduction about Pharmacology of free radicals, generation of free radicals, Antioxidants, Free radicals causing disorders such as cancer diabetes, neuro degenerative disorders such as Parkisonism's Disease
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How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
Model Attribute Check Company Auto PropertyCeline George
In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
Acetabularia Information For Class 9 .docxvaibhavrinwa19
Acetabularia acetabulum is a single-celled green alga that in its vegetative state is morphologically differentiated into a basal rhizoid and an axially elongated stalk, which bears whorls of branching hairs. The single diploid nucleus resides in the rhizoid.
Introduction to AI for Nonprofits with Tapp NetworkTechSoup
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Biological screening of herbal drugs: Introduction and Need for
Phyto-Pharmacological Screening, New Strategies for evaluating
Natural Products, In vitro evaluation techniques for Antioxidants, Antimicrobial and Anticancer drugs. In vivo evaluation techniques
for Anti-inflammatory, Antiulcer, Anticancer, Wound healing, Antidiabetic, Hepatoprotective, Cardio protective, Diuretics and
Antifertility, Toxicity studies as per OECD guidelines
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
2. WHAT IS BIOLOGICAL AGING PROCESS ?
- Aging, progressive physiological changes in an organism that lead to
senescence, or a decline of biological functions and of the organism's ability to
adapt to metabolic stress.
- Some doctors defined that we have three types of ageing : Genetic ageing
,environmental ageing and hormonal ageing ,each of which can cause fine lines
wrinkles and loss of firmness. Genetic agening is fact of life and is the normal
ageing process,genetic playing a big role.
3. Theories of biological aging
– We have different theories on aging. Some of them are
– Free redical theory
– Wear and tear theory
– Rate of living theory
4. Free radical theory
– In 1945 dr. Denham harman proposed this theory and postulated that free
radicals build up in the body and cause cellular damage which lead to aging
process.
– And in our body we also have antioxidants which are known as good health,and
neutralize this free radicals.
– This free radicals are unstable molecules and characterized by unpaired of
electron and highly reactive which destroys millions of cells in nearby in order
to replace their missing electron.
5. -when there is unbalance between the free radicals and antioxidants there is oxidative stress on the cells.
HEART DISEASE CANCER
AGING
AUTOIMMUNE
DISORDERS
OXIDATIVE
STRESS
7. IN MITCHONDRIAL FREE RADICAL THEORY OF AGING
PROVES THAT INCREASE IN THE FREE RADICAL CAUSES
OXIDATIVE DAMAGE WHICH CAUSES MUTATIONS
WHICH SHOWS ACCELERATED AGING.
THEREFORE INCREASE IN THE CONCENTRATION OF FREE
RADICLES CAUSES DECREASED LIFE SPAN.
BUT LATER SCIENTIST DISCOVERED THAT FREE RADICLES
DOES CAUSE DAMAGE TO THE MITOCHINDRIAL DNA
AND IT IS NO WAY REALTED TO THE LIFE SPAN.
THE REASON WE GET AGED BECAUSE OF TELOMERES
DEGRADATION WHICH HAVE PREVENT DEGRADATION
OR FUSION WITH NEARBY CHROMOSOMES.
AFTER EACH CYCLE OF CELL DIVISION SMALL PORTIONS
OF DNA IS LOST WHEN THEY REACH CRITICAL LIMIT
THEY UNDER GO APOPTOSIS.
8. WEAR AND TEAR THEORY OF
AGING
– The wear and tear theory of aging one of several theories of asserets that the
effects of aging are caused by progressive damage to cells and body systems
over time by dietary toxins and environmental agents in considering the
different theories of aging the wear and tear theory may at first apppear to be
the most reasonable.
