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Welcome to the Swedish Twin Registry!

The Swedish Registry was established in the 1960s to study how smoking affects our health. Then little was known about the dangers of smoking.

There is, at present, information on approximately 85 000 twin pairs, both monozygotic and dizygotic.

A dedicated and enthusiastic team is behind many interesting projects at the Swedish Twin Registry.

Are you a twin and would like information about the Swedish Twin Registry?

We have information for researchers and students as well(Swedish only).