Finger length ratio (2D:4D) is a sexually dimorphic trait. Men have relatively shorter second digits (index fingers) than fourth digits (ring fingers). Smaller, more masculine, digit ratios are thought to be associated with either higher prenatal testosterone levels or greater sensitivity to androgens, or both. Men with more masculine finger ratios are perceived as being more masculine and dominant by female observers, and tend to perform better in a number of physical sports. We hypothesized that digit ratio would correlate with propensity to engage in aggressive behavior. We examined the relationship between trait aggression, assayed using a questionnaire, and finger length ratio in both men and women. Men with lower, more masculine, finger length ratios had higher trait physical aggression scores (r(partial) = -0.21, N = 134, P = 0.028). We found no correlation between finger length ratio and any form of aggression in females. These results are consistent with the hypothesis that testosterone has an organizational effect on adult physical aggression in men.
This means that you cannot even influence wether you're aggressive or not. Why does God allow humans to be slaves of their bodies? This really sounds as if humans are controlled by hormones and nothing else. I also read that the exposure of testosterone in the womb affects the brain and wether you'll be intelligent or not so intelligent later on. This means that even before we are born there are so many things which are already determined which we cannot influence at all which will have a huge impact on our life, I think this sucks. When I imagine that I could be a totally different person with a different character if the hormones in the womb had been a bit different then this is a strange feeling, isn't it? How do we know wether our personality is from God or wether it's simply based on hormones and chemicals in the brain? I am a pretty sensitive person and I ask myself wether God made me this way or wether I'm only this way because of hormones in the womb. Maybe if my mother had had more testosterone in her womb then I would be different today, maybe more aggressive and not even receptive to God. Maybe I would be so confident and convinced of myself that I wouldn't even need God who knows. But since I'm rather sensitive and not so strong I need God. But then I ask myself what if everything had been different then maybe I wouldn't even have needed God. This makes everything look so random. What if I am only more sensitive because I don't have so much testosterone and if I had more testosterone I would be a totally different person? I have already thought about getting a hormone replacement therapy because my testosterone is pretty low but right now I'm concerned that this might change my whole personality. What if God wants me to be this way and getting testosterone replacement would change me completely? But on the other hand having low testosterone levels is not healthy at all and increases the risk of heart diseases and I am not keen on heart diseases. I don't know what to do now.
