Articles by Cari Nierenberg, Live Science Contributor

exercise, exercise group, group exercise

Most People Don't Know This: Not Getting Enough Exercise Ups Your Cancer Risk

By Cari Nierenberg published 9 August 18

Getting too little exercise is tied to an increased risk of cancer — but according to a new study, most people in the U.S. don't know this.

Macular Degeneration: Symptoms, Diagnosis and Treatments

By Cari Nierenberg published 1 August 18

Symtpoms, causes and treatments for macular degeneration.

'Good' Cholesterol May Be Bad for Some People

By Cari Nierenberg published 24 July 18

Having high levels of high-density lipoprotein (HDL) cholesterol, the so-called good cholesterol, is usually considered positive. But that might not be true for everyone.

Syphilis is caused by Treponema pallidum, a spiral-shaped bacterium called a spirochete.

Syphilis: Symptoms & Treatment

By Cari Nierenberg published 20 July 18

Syphilis is the third most common sexually transmitted disease in the United States. Nearly 28,000 cases of the most contagious stages of the disease were reported to the CDC in 2016.

pregnancy, checkup, doctor's appointment

More Pregnant Women Are Having Heart Attacks. But Why?

By Cari Nierenberg published 18 July 18

Women who are pregnant may not spend much time worrying about their own hearts, but a new study suggests they should.

This illustration shows a computer-generated image of drug-resistant Neisseria gonorrhoeae, the bacteria that cause gonorrhea.

Gonorrhea: Symptoms & Treatment

By Cari Nierenberg published 17 July 18

Gonorrhea is the second most common sexually transmitted disease in the United States. More than 468,000 cases of gonorrhea were reported to the CDC in 2016, although the number may be much higher.

This Woman Broke a Bone in Her Eye Socket by Blowing Her Nose Too Hard

By Cari Nierenberg published 9 July 18

A British woman who blew her nose a bit too hard didn't just end up with a snot-filled tissue.

Why Cancer Rates Are Higher in Flight Attendants

By Cari Nierenberg published 26 June 18

Flight attendants may have a higher risk of a number of cancers, a new study finds.

The Really Strange Way a Tick Bite Could Harm Your Heart (Hint: It Involves Red Meat)

By Cari Nierenberg published 18 June 18

People with a rare red meat allergy may have a higher risk of heart disease, a new study suggests.

These Migraine Treatments Work. So Why Do Most Patients Skip Them?

By Cari Nierenberg published 5 June 18

Many people who experience migraines may not be taking advantage of behavioral treatments for the debilitating headaches, even if doctors recommend them.

Could Eating More Seafood Help Couples Conceive?

By Cari Nierenberg published 25 May 18

Eating seafood twice a week could up your odds of getting pregnant.

Aw, Shucks: How Oysters Gave One Man a Rare Bacterial Infection

By Cari Nierenberg published 10 May 18

A rare oyster-shucking hazard.

Pregnant Woman's 'Houdini' Brain Tumor Vanishes After She Delivers

By Cari Nierenberg published 7 May 18

Now you see it, now you don't.

This Woman's Kidney Fell into Her Pelvis Whenever She Stood Up: Here's Why

By Cari Nierenberg published 22 April 18

Generally, you can trust your organs to stay in one place, but that wasn't the case for a young woman in Michigan.

No, Having a Little Extra Fat Won't Make You Live Longer

By Cari Nierenberg published 19 April 18

If you dig through medical data on people's weight and risk of dying, you may spot something curious.

Can an Opioid Overdose Drug Help Stroke Patients Recover?

By Cari Nierenberg published 16 April 18

The same medication used to save lives by reversing opioid overdoses may also benefit nonopioid users

Poisoned by Bitter Squash, Two Women Lose Their Hair

By Cari Nierenberg published 28 March 18

Bitter squash leaves more than just a bad aftertaste.

What Makes an E-Cig Taste Good May Also Make It Toxic

By Cari Nierenberg published 27 March 18

With names like "Banana Pudding," "Blueberry Cinnamon-Streusel Muffin" and "Butter Crunch," the flavoring ingredients in electronic cigarettes sound not only harmless but immensely appealing.

No, One Sick Passenger Won't Infect Everyone on the Plane

By Cari Nierenberg published 19 March 18

Finally, some good news about airplane travel.

Prenatal Genetic Screening Tests: Benefits & Risks

By Cari Nierenberg published 15 March 18

Prenatal genetic testing may diagnose any complications or developmental issues.

Exercise Could Ward Off Dementia for Women — If They Start At the Right Age

By Cari Nierenberg published 14 March 18

For women, physical fitness in midlife may do more than give the heart a boost; it may also benefit the brain, a new study from Sweden suggests.

What Is Ovulation?

By Cari Nierenberg published 7 March 18

Ovulation occurs when an egg moves from the ovaries into the fallopian tubes and is ready for fertilization.

Small hunting dog bites the owners hand.

A Woman Needed a New Hip Replacement Because of … a Dog Scratch

By Cari Nierenberg published 4 March 18

For one woman in the U.K., a dog scratch turned into a much bigger ordeal than she could've expected.

How a Little Bit of Anxiety May Improve Your Memory

By Cari Nierenberg published 1 March 18

Can anxiety be a good thing?

Here's What Happens When You Break Apart a Fidget Spinner & Swallow It

By Cari Nierenberg published 23 February 18

Whether fidget spinners really help kids focus is unclear, but one thing is for sure: Don't take the ball-bearing toy apart and swallow the pieces.