basically,a sugary diet triggers insulin release in ur bod, insulin triggers excess testosterone production ,testosteron stimulates sebaceous glands in your skin to overproduce sebum, which seriously clogs up your pores= pizza face
i've totally removed suger from my diet, other than fresh fruit and fresh squeezed juice..my skin has totally improved.plus, i've started eating lotsa nuts..macademias ,cashews and almonds..its help clear my skin up ...dunno why though..could be the essential Omega-3 fats in nuts that's doing it..give these 2 ideas a go..it worked for me..