Our hormonal makeup is literally on display, expressed by our phenotype. This can be categorised as 'masculine' and 'feminine' traits. Media promotes certain phenotypes more than others. Biodiversity makes us who we are.
Questions arise about the intentional or accidental modification or perhaps even domestication of humans. Microplastics, 5g, the consumption of agricultural products and 'domesticated' animal products may be altering us fundamentally