heart-health

Beetroot Shots vs Capsules: What You Actually G...

Shots print their nitrate content on the bottle. Capsules mostly don't, ours included. What is actually in a 70ml shot, what a capsule is for instead, and the one line...

Blood Pressure Cuff Size: Why the Wrong Cuff Gi...

A cuff that doesn't fit your arm bends the reading one way: too small reads high, too large reads low. How to measure your upper arm, why the three sizing...

Blood Pressure After Eating: Why It Changes, an...

A meal shifts a blood pressure reading for a while, which is why UK guidance says not to measure within half an hour of eating. What the sources support, what...

What Foods Are Highest in Nitric Oxide? Nitrate...

No food contains nitric oxide at all. Your body makes it from nitrate, so the ranking that helps at the shops is a nitrate ranking: which vegetables carry the most,...

Dehydration and Blood Pressure: What Actually H...

Being short of fluid usually nudges blood pressure up for a while; heavy fluid loss can push it the other way. What the sources support, what none of them puts...

Does Caffeine Raise Blood Pressure? Coffee, Tea...

Caffeine raises blood pressure for about an hour, by up to 10mmHg on a single cup, and less once you drink it every day. What the evidence shows, and the...