HereS the completed text, filling in the missing introductory sentence based on the context:
apples are associated with a lower incidence of hypertension in several prospective studies.
Tip: consume them with the peel (well washed): this is where many antioxidants are concentrated.
[Image of Brussels sprouts]
Typical autumn vegetables,rich in potassium,calcium and natural nitrates which improve vasodilation. Furthermore,they bring sulforafano,an anti-inflammatory molecule useful against endothelial oxidative stress.
They contain inorganic nitrates that the body transforms into nitric oxide (NO),a powerful vasodilator. It is one of the few foods with a measurable and documented effect on blood pressure.
Attention: they are nutritious, so moderation in quantities (a small handful per day).