For many decades, scientists have tried to capture and explain the phenomenon of human aggression and the observed sex differences (Archer 2000; Eagly and Steffen 1986; Frodi et al. 1977; Fry 1998; Gladue 1991a; Hyde 1984; Knight et al. 2002; Richardson and Green 1999; Tieger 1980; Wynn et al. 1996). Among biological factors, the endocrine system, especially testosterone, has been most intensively studied. A substantial body of data on subhuman primates has demonstrated a causative role of sex hormones in the development of sex-dimorphic aggressive behaviour (Archer 1988; Barfield 1984; Bernstein etal. 1983; Goy etal. 1988; Keverne 1979; Rose et al. 1971; 1975), and these results have focused attention on how endocrine activity and human aggression can interact with one another.

Hair Loss Prevention

Hair Loss Prevention

The best start to preventing hair loss is understanding the basics of hair what it is, how it grows, what system malfunctions can cause it to stop growing. And this ebook will cover the bases for you. Note that the contents here are not presented from a medical practitioner, and that any and all dietary and medical planning should be made under the guidance of your own medical and health practitioners. This content only presents overviews of hair loss prevention research for educational purposes and does not replace medical advice from a professional physician.

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