References

BUYING GUIDE Level up your training and rack up the miles with the best running watches — tried and tested by Live Science.

Science suggests the answer is "yes".

Stroke is the second leading cause of disability and death worldwide, and occurs when the flow of blood to the brain is disrupted.

Is Fitbit’s next-generation fitness tracker really that much better? Here’s everything you need to know about the Fitbit Inspire 3 vs Inspire 2.

BUYING GUIDE From the affordable Inspire to the sleek Luxe, we’ve tested some of the best Fitbits that can help track your fitness goals.

Ovarian cancer occurs when abnormal cells in the ovaries or fallopian tubes grow and multiply out of control.

Studies suggest synchronizations in the lunar and menstrual cycles are down to random chance.

Our roundup of the best walking treadmills can help you keep active while you work.

Which model comes out top? We compare the pros and cons of the Fitbit Inspire 3 vs Charge 5.

Multiple Sclerosis (MS) is a disease that affects the brain and spinal cord, causing a number of potential symptoms.

BUYING GUIDE Practical and cost-effective, Live Science has tested a number of the best adjustable dumbbells to elevate your home workouts.

Chronic stress may lead to hair loss, research suggests. But it is often reversible.

Science suggests "challenging the brain" won't prevent Alzheimer's disease.

Atrial fibrillation is a heart condition that causes an irregular heart rate. Sometimes, there can be no symptoms.

Telomeres are sections of DNA that are found at the ends of chromosomes and seem to play a role in aging.

Reliable, informed and unbiased reviews, written by experts. That’s Live Science’s promise to you.

Stress can be contagious, according to research. But there may be ways to prevent it.

About 20 percent of people have dimples. But what causes them?

Discover the science behind sleep talking, a behavior that over half the general population experiences at some point in their life.

Chronic fatigue syndrome is a complex, multisystem disease that can often go undiagnosed.