Ah, yes. Another mishmash of random yet relevant contemporary science news updates is upon us. This week’s offering includes news that engaging in sports (or even just being a fan) can improve one’s mental faculties; that though a diet rich in oily fish is supremely beneficial to your overall health, just a once-a-week fishy fix can protect your eyesight in old age; and that a link between gum disease and heart disease has been established. Interesting enough, but how do these studies relate to – or even support – the Primal Blueprint? Read on to find out.