Longevity is influenced by several factors, including genetics, lifestyle, stress levels, diet and activity levels.
While some of these factors cannot be influenced, there are some which can be altered.
Mamie is 101 years old and has put down her success to a long life to exercising regularly.
Speaking on the Youtube channel Sprouht, Mamie said: "It's shocking to be [101]. I do not take any medication. All my life I have exercised."
The centenarian said that she has kept physically active all her life
YouTube/Sprout
An article published in the National Library of Medicine noted: "Results of 13 studies describing eight different cohorts. [It] suggested that regular physical activity is associated with an increase in life expectancy by 0.4 to 6.9 years."
Aside from keeping physically active, the veteran said that mixing with others has helped her.
Mamie explained: "I enjoy people, I enjoy my artwork and I am grateful for the opportunities that I have had. I volunteered and I love helping people.
"I have had a good life and a hard-working one because my parents explained that I had to do something."
The 101-year-old advised to eat healthy and educate yourself across a variety of topics.
The centenarian said: "You can read some books and spend some time in the library... you have to work hard, pay attention and give your all.
"Choose a good life's work because everybody is not fit for every profession."
Mamie encouraged individuals to get into something that benefits other people and they "genuinely enjoy".
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Keeping physically and socially active supports longevity
GETTYAnother centenarian recommended one habit that has kept him strong since the war.
The World War II veteran named a positive mindset and physical activity as key, noting that he has maintained his muscle strength since his time in service.
The pensioner shared: "I began working for my living at 14 years of age and then when the war came I was a prisoner of war for four years, shovelling coal and lifting pig iron made my muscles.
"Although the rest of my body was non-existent, my muscles became very powerful. I could do things because my muscles were [strong]."
