Norwegian research suggests that even a brief exposure to steroids could have a long-lasting effect.

Steroids can benefit athletes for a decade after use

New research suggests that athletes who use steroids for a short period can benefit for their entire careers.

Experiments with mice showed that a brief exposure to testosterone allowed the mice to rapidly regain muscle later in their lives.

The scientist behind the study says that if a similar effect can be shown in humans, it should lead to a lifetime ban for dopers.

The research has been published in the Journal of Physiology.

Norwegian scientists had previously published work that showed the existence of a “muscle memory”.

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