Prof Gundersen believes the same holds true for humans. This suggested that if people exercised when they were young, their muscles grew more easily when they exercised later in life.
I think it could last 10 years but I don't have the data to back that up. Steroids Steroids, also called corticosteroids, are anti-inflammatory medicines used to treat a range of conditions. He explained that the drugs boost the of cell nuclei in the muscle fibres.
about:. Despite the long held belief that steroid users lose the benefit of the drugs when they stop taking them, the Norwegian research suggests that even a brief exposure to steroids could have a long-lasting effect. But sometimes they can cause unpleasant side effects, such as an increased appetite, mood changes and difficulty sleeping.
Stopping a mxke course of medicine can cause further unpleasant side effects withdrawal mqke. Experiments with mice showed that a brief exposure to testosterone allowed the mice to rapidly regain muscle later in their lives.
Researchers found that power lifters who have stopped taking steroids had an advantage in their sport years after they stopped using the drugs. Ten year benefit These nuclei are key to building strength in muscles when people exercise and the mouse study suggests that sstronger extra nuclei gained through using testosterone remain in the long term.
Norwegian scientists had ly published work that showed the existence of a "muscle memory". They are developing the protocols for a study involving students at a sports college in Oslo.
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The researchers discovered that the lifters who had once taken the drugs had a comparable of cell nuclei in their quadriceps as athletes who were currently performing high intensity training. The research has been published in the Journal of Physiology.
The same team has now looked at the impact of a brief exposure to testosterone on mice. The research follows on from work that was carried out in Sweden in the past few years. More on this story.
It would be my speculation yes," he said. Follow Matt on twitter mattmcgrathbbc. The Norwegians believe that their research calls into question the current proposal from the World Anti Doping Agency Wada to raise the penalty for dopers from two yuo to four.
The side effects will usually pass once you finish the treatment, but do not stop taking your medicine without speaking to your doctor. The scientist behind the study says that if a similar effect can be shown in humans, it should lead to sterois lifetime ban for dopers.