Abstract The second to fourth digit ratio 2D: Both prenatal testosterone and the AR play a central role in penile growth. In this study, we investigated the relationship between digit ratio and penile length. Korean men who were hospitalized for urological surgery at a single tertiary academic centre were examined in this study, and men aged 20 years or older who gave informed consent were prospectively enrolled.
Subscribe to RSS In the past 20 years, the number of foreigners living in the Czech Republic has increased dramatically as a consequence of the opening of the Iron Curtain. Still, the country is far from being as diverse as most other European nations, for example France or Germany, and the vast majority of the Czech population remains Caucasian. During communism, the few black people who lived here stuck out like a sore thumb. Nowadays, their number has of course increased, but the size of the black community is still quite small. MP3 In this episode of Czech Life, we talk to three blacks who live in the Czech Republic about their experiences, if they have ever felt discriminated against here and how they perceive the country. But in the s, we moved to Prague and at that time, the population was practically exclusively white. But Czechs, he says, are quite conservative and do not regard being different as positive, which can be a problem.
In Dr Glenn Wilson of King's College, London , published a study examining the correlation between assertiveness in women and their digit ratio. Manning and colleagues reported the sex difference in digit ratios was present in two-year-old children  and further developed the idea that the index was a marker of prenatal sex hormones. Since then research on the topic has burgeoned around the world.