Cut blood pressure by severing a nerve

On the face of it, it may seem puzzling that a one-off ­operation which severs the nerves connected to the ­kidney lowers high blood pressure. But it’s not so surprising if we ­remember the kidneys play an ­important role in … Read More

Why calorie counting can be so inaccurate

You’ll be glad to hear calorie counting is outdated. So why do we continue to use it as a guide to healthy eating? Well, it’s simple. A number is very easy to assess, count and act on. Also, it’s ­entrenched. … Read More