Androgens

Androgens (androgena; Greek andros, aner – the man + Greek - genes – generating; synonyms: men's sex hormones, hormones androgenic) – adrenal hormones and male gonads (androsterone, testosterone, дегидроэпиандростерон, etc.) which regulate development of men's secondary sexual characteristics.

 
 
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Average life expectancy of lefthanders is less, than right-handed persons.