Koistinen tested positive for the banned substance chorionic gonadotrophin after winning the Finnish national championships in Tampere just over two weeks ago. Antti Pihlakoski, a team official, said: "He will not be going to Atlanta."
Chorionic gonadotrophin is a growth hormone which builds up weight and expands muscle bulk for increased endurance. Its side-effects can include thickening of blood, heart attacks, strokes, soft tissue swelling, hypertension and enlargement of the heart, liver and spleen. It can also lead to diabetes. Koistinen, 26, was 10th at the World Championships in Gothenburg last year.Reuse content