Latest articles by Anna Gora
What causes metal allergies?
The symptoms of a metal allergy can vary in severity, but why do they happen?
How does plaque cause cavities?
A buildup of dental plaque breaks down tooth enamel, leading to tooth decay, gum disease and other oral health conditions.
What does it look like when your sinuses are clogged?
Having a stuffy nose often comes with pain and tenderness around your cheeks, eyes or forehead. But what do blocked sinuses look like inside your head?
Why is it hard to hear when you have a cold?
Coming down with a cold or the flu can muffle your hearing, but why?
What is a heart murmur?
Heart murmurs are extra, unusual sounds heard during a heartbeat — but why do they happen?
Why do beets turn your poop and pee red?
After you've eaten beets, your poop and urine can take on a shocking red or pink color — but why?
How long does it take to digest food?
The speed at which food moves through the digestive tract depends on many factors.
The state-of-the-art Garmin Fenix 7X Solar Multisport GPS smartwatch is its lowest ever price
Deals Attention outdoor adventurers and fitness fanatics - one of the best smartwatches on the market is now 31% off at Amazon UK.
What's the largest muscle in the body, and the smallest?
Several muscles could be called the "largest" in the body, depending on whether you're talking mass or surface area, but the body's smallest muscle has no competition.
Why do freckles come out in the sun?
Freckles can reappear or become darker after sun exposure and then fade in less-sunny seasons.
Why do you get dizzy if you stand up too fast?
It's normal for you to occasionally get dizzy and for your vision to go dark when you stand up, but it can sometimes be a sign of a chronic health condition.
What causes a 'nervous stomach'?
Stress can cause "nervous stomach," but what is the link between negative emotions and uncomfortable digestive symptoms?
Why are some people's veins 'hard to find'?
From stress to dehydration, there are many reasons why some people's veins may be "hard to find" when they're getting an infusion or blood draw.
Skin cancer: Causes, types, prevention and treatment
Skin cancer, the uncontrolled growth of abnormal cells in the skin, is mainly caused by exposure to ultraviolet radiation from the sun and tanning equipment.
Lyme disease: Symptoms, diagnosis and treatment
Lyme disease is an infection that is spread to humans through the bites of ticks carrying specific bacteria.
What is penicillin, and how was it discovered?
Discovered by sheer accident in the late 1920s, penicillin was the world's first antibiotic.
Should you buy a Fitbit Sense this Amazon Prime Day?
Deals Is Amazon Prime Day the perfect opportunity to buy the Fitbit Sense fitness tracker, or should you wait?
Should you buy the Levoit Core 400s air purifier this Prime Day?
Deals Should you buy the Levoit Core 400s air purifier this Prime Day — or is another model better suited to your home?
10 ways to avoid summer tick bites
Experts shared tips with Live Science on how to protect yourself from tick bites and reduce your risk of tick-borne diseases.
What is SPF? A guide to understanding sunscreen labels
Confused by sunscreen terminology? Here is everything you need to know to understand sunscreen labels.
Is vaping healthier than smoking?
Experts agree that all else being equal, it is better to vape than to smoke traditional cigarettes, but e-cigarettes come with their own risks.
How the body changes in space — usually, for the worse
From causing muscle loss to raising the risk of blood clots, long-haul space missions can have a profound impact on the human body.
How does sunscreen work?
Sunscreens work in two ways: either by blocking harmful UV rays from reaching the skin, or by converting the rays into heat that can be released from the body.
