Beta-blockers (β-blockers) are a frequently used group of medicines in treating a variety of cardiovascular conditions, such as heart failure, heart attacks, various causes of irregular heartbeat and by high blood pressure.
Beta-blockers are prohibited only in a few sports, primarily in competition. The performance-enhancing effect of beta-blockers is related to precision sports such as shooting. Beta-blockers reduce many of the symptoms of performance anxiety, including high heart rate and tremors, and for this reason an efficient performance-enhancing agent.
There is a risk of developing serious side effects in healthy people if using beta blockers.
- nausea, diarrhea and headache
- cold hands and feet
- heart rhythm disorders of various kinds
- visual disturbances
- reduced concentration
- heart failure
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