References

Buying Guide The Live Science team has been busy testing the best exercise bikes for the past year – here are the top models we’ve tried.

BUYING GUIDE We tested some of the best treadmills for all budgets and fitness levels – here are our top picks

BUYING GUIDE We’ve tested a number of the best air purifiers for allergies to help you trap pollutants and irritants

Inside All About History 121: How a series of tribes in Central America built a superpower of the age in the Aztec Empire

Is there a ‘best time under tension’ for building muscle? We spoke to a sports science expert to find out

Find out how to prevent bloating with these expert-approved tips

Does collagen help you lose weight? We’ve spoken to the experts to find out

Tonsils are small organs in the back of the throat. When they become inflamed they cause tonsillitis.

Is saturated fat bad for you? Here’s what the latest studies say about this controversial nutrient

REFERENCE Discover how to improve your flexibility, protect your joints and level up your fitness with our expert-led guide

Cantaloupe is a tasty nutrient-packed melon that's low in calories.

Headaches and migraines can be debilitating. So can taking magnesium for headaches relieve some of the discomfort?

Reference Cats have associated with humans for up to 10,000 years.

A subduction zone is a collision between two of Earth's tectonic plates, where one plate sinks into the mantle underneath the other plate.

Hurricanes often have surprisingly common human names that don't sound very threatening. But where do these names come from?

If a solar storm as big as the Carrington Event struck today, it could lead to years long power outages.

We examine the many shades of fitness tracker on offer from the best Garmin watches

Everything you need to know about dietary fat and why including the right fat in your diet is important for good health.

Should you work out twice a day? An exercise physiologist explains what you need to know

Live bacteria known as psychobiotics could have an impact on our mental state. Here’s what we know so far