Updated 11 November 2019
WATCH: Kale vs. spinach – which is healthier?
Which is the healthier of these two superfoods?
Kale and spinach are both superfoods that pack an incredible amount of nutrition, but is one better than the other?
Image credit: Dan Gold, Burst
E-cigarettes have become hugely popular in the past decade, but a rash of vaping-linked deaths and illnesses in the US is feeding caution about a product that's already banned in some places.
A new drug works by targeting an immune system antibody called immunoglobulin E, which is responsible for the allergic reaction that causes hives.