It usually depends upon lifestyle factors, including exercise, diet and sleeping habits, and an individual’s genetics. Your tissues, organs, and blood reflect your “phenotypic age,” often known as your biological age, with little regard for your chronological age. You may celebrate your birthday however, your cells do not. The physiological aspect of ageing is known as biological age.

Chronological age has nothing to do with what you do in everyday life, what you eat, or where you live, and most importantly cannot tell anything about your life expectancy.

These numbers do not change, whatever the lifestyle or food habits of a person.

Chronological age refers to the actual amount of time in terms of the number of years, months, and days since birth.

We have all met somebody who looks to be considerably younger-or older-than they are for the first time.Īs living beings, we have two types of ageing: chronological as well as biological. Sometimes we may appear to be ageing quite quickly, whereas others appear to age somewhat more slowly. Aside from physiological changes, ageing is frequently linked to other transition periods such as retiring, moving to more suitable housing, and the demise of family members and friends.Įach one of us ages at our own pace. The variety seen as people become older is not spontaneous. These alterations are not linear or continuous, but they are merely tangentially related to a user’s chronological age. If you take care of and maintain it, the car might work fine for a decade, but if you are not very good at it, you might end up with a broken engine within 3 years. Our productivity and metabolic functioning slowly start deteriorating as we grow older and continue till our death, unless, we control it.

The phenomenon of ageing is defined as the accumulation of anatomical and physiological alterations that happen to us over a while. But, if ageing is universal to all individuals, why are some people ageing faster than others? Why is your friend from college, looking younger or older than you, despite being the same age? How are Bollywood and Hollywood actors at 50-60 years of age able to pull off the vitality of a 30-year-old? And why do we keep saying that “Age is just a number.”? So what exactly is ageing and why is it the main reason for mortality? Most of us believe that ageing is universal, inevitable and inescapable.

To die we have to age and ageing is something most of us are afraid of, as it brings with it the most dreadful: frailty and diseases. But if we try to think about it, the truth behind the phrase is a little scary. “Till death do us apart” … is a very common phrase used by lovers at weddings.

Biological age vs chronological age