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12 October 2020
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Story Arina Engelbrecht
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Photo Supplied
Arina Engelbrecht from Organisational Development and Employee Well-being believes physical activity has a number of benefits for one’s health, including stress relief.
Being physically active plays a big role in preventing the development of mental-health problems and in improving the quality of life of people experiencing mental-health problems.
Treatment for depression
Physical activity can be an alternative treatment for depression. It can be used as a stand-alone treatment or in combination with medication and/or psychological therapy. It promotes all kinds of changes in the brain, including neural growth, reduced inflammation, and new activity patterns are formed that promote feelings of calm and well-being. It releases endorphins – powerful chemicals in the brain that energise your spirit and make you feel good.
Physical activity can be very effective in relieving stress. Research in adults has found that physically active individuals tend to have lower stress levels compared to individuals who are less active. It also leads to improved sleep. When a person sleeps better and feels more rested, overall quality of life improves. They cope better with daily life stressors.
Reduce Alzheimer's risk
Regular physical activity can reduce your risk of developing Alzheimer's disease by up to 50%. It can also slow down further deterioration in those who have already started to develop cognitive problems. It stimulates the brain’s ability to maintain old connections as well as to make new ones.
A study asked people to rate their mood immediately after periods of physical activity (e.g. going for a walk/run, cycling, doing housework) and periods of inactivity (e.g. reading a book or watching television). Researchers found that participants felt more content, more awake, and calmer after being physically active compared to after periods of inactivity.
In conclusion, people who are physically active feel a sense of well-being, feel more energetic throughout the day, sleep better at night, have sharper memories, and feel more relaxed and positive about themselves and their lives.
“Being physically active not only changes your body, it changes your mind,
attitude, and your mood.” – Arina Engelbrecht
Final lecture in Darwin series presented at the UFS
2010-02-23
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At the lecture were, from the left: Prof. Terence McCarthy, Prof. Jo van As, Chairperson of the Darwin 200 Committee and Head of the Department of Zoology and Entomology at the UFS, Prof. Bruce Rubidge, Elsabe Brits, journalist at Die Burger and Esther van der Westhuizen, presenter on Groen.
Photo: Leonie Bolleurs |
The University of the Free State (UFS), in collaboration with the Central University of Technology, Free State (CUT) and The National Museum in Bloemfontein recently hosted the final lecture on the Charles Darwin lecture series entitled “The story of life and survival”.
The lecture was presented by Prof. Bruce Rubidge, the Director of the Bernard Price Institute for Paleontological Research at Wits University and Prof. Terence McCarthy, a Professor of Mineral Geochemistry at Wits and Head of the Department of Geology. Proff. Rubidge and McCarthy are co-authors of the book The Story of Life on Earth.
Their lecture with the topic “Trends in evolution and their bearing on the future of humankind” dealt with the future of evolution. According to Prof. Rubidge, ninety-nine percent of the species that have ever lived are extinct. “We are living in a time of mass extinction. Fifty thousand species become extinct annually,” he said.
Prof. McCarthy discussed many factors that can result in mankind’s extinction today. The impact of climate change, big volcanic eruptions, a comet or asteroid hitting earth, tsunamis and the collapsing of sea islands are some of the factors Prof. McCarthy believes could cause great catastrophe’s on earth.
“We live on the brink of this all the time,” he said.
Prof. McCarthy also believes that we can avoid these catastrophes. By allowing only one child per family we can shrink the global population with 30% per generation. This is doable in a short time span,” he said.
Other ideas he had on saving mankind from getting extinct is to create extensive ecological reserves on land but especially in the ocean, to decentralise everything, to change to renewable energy, to recycle resources and to be vigilant in doing this.