Regular exercise slows down ageing



Keeping physically active throughout adulthood could help slow down the aging process according to new research. In men, testosterone levels stayed high.

Exercise, even in old age, is known to have a wide range of health benefits, from preventing disability to slowing memory decline.

The key to the fountain of youth is exercise, scientists concluded, in a study that found amateur cyclists over the age of 55 had biological markers similar to those of young and healthy individuals.

If you want to counter the physical costs of getting old, regular exercise might be your best option, researchers report. This included 100 kilometers (62.1 miles) in under 6.5 hours for men and 60 km (37.3 miles) in under 5.5 hours for women. A new study says that exercising throughout your life will keep your immune system young. Then the team compared the results from the lifetime exercisers to 75 healthy people between the ages of 57 and 88, as well as 55 young adults between the ages of 20 and 36.

An organ called the thymus, which makes immune cells called T cells, starts to shrink from the age of 20 and makes fewer T cells.

The researchers found these cyclists have higher levels of freshly made T-cells, which play an important role in one's immune response, such as recognizing and killing foreign invaders.

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'However, importantly, our findings debunk the assumption that ageing automatically makes us more frail.

Here's more evidence that regular exercise really is the best medicine: avid cyclists as old as 79 had healthy muscle and immune function that looked as good as people 30 years younger who did not exercise.

Professor Stephen Harridge, Director of the Centre of Human & Aerospace Physiological Sciences at King's College London, also added that, "The findings emphasise the fact that the cyclists do not exercise because they are healthy, but that they are healthy because they have been exercising for such a large proportion of their lives".

"Their bodies have been allowed to age optimally, free from the problems usually caused by inactivity. You will reap the rewards in later life by enjoying an independent and productive old age".

The latest study was published Thursday in the journal Aging Cell and built on a previous work by the researchers published in 2015.

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