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Gabby Landsverk

Gabby is a nutrition, fitness and health reporter for Insider in New York City. She writes about a wide range of topics related to diet, exercise, athletic performance, exercise science, and wellness culture. Weird, niche or marginalized topics are her favorite. Send story ideas and tips to

Gabby graduated with a master's degree in investigative journalism from Columbia University and previously contributed research for an investigation on correctional healthcare for the New Yorker. 

In her free time, she plays roller derby for Gotham Girls' Brooklyn Bombshells and Wall Street Traitors. 


Health 2020-07-13T20:23:00Z

Eating moldy jam or jelly is risky, even if you scrape off the furry bits, experts say

After allegations of moldy jam at Sqirl, a high-end eatery in Los Angeles, some suggested they have no problem with scraping mold off their jelly.
Health 2020-07-13T18:29:00Z

An editorial in a top medical journal says low-carb diets could help prevent coronavirus complications. Experts say it's not that simple.

A new editorial makes a case for low-carb diets to protect against severe coronavirus. Experts say the link between diet and health isn't that simple.
Health 2020-07-10T18:39:00Z

A woman who overdosed on enough caffeine powder to make 56 cups of coffee was hospitalized for a week, and doctors say her birth control didn't help

Highly concentrated caffeine supplements can cause serious or even fatal side effects; dangerous amounts of caffeine are cheap and widely available.
Health 2020-07-10T14:44:00Z

Doctors found a worm over an inch long inside a woman's tonsil after she ate sashimi

A woman in Tokyo went to the hospital complaining she'd had a sore throat after eating sashimi. Doctors found a black worm inside her tonsil.
Health 2020-07-09T20:23:00Z

Probiotics could help with mental health, but experts say you shouldn't rush to stock up on yogurt and supplements

Studies show beneficial microbes in probiotics may help with health issues like depression. Experts say we need more research to use them properly.
Health 2020-07-09T14:20:00Z

Multi-day fasting isn't worth downsides like hunger and loss of muscle mass, according to a nutritionist

Strict fasting has some longevity benefits, but a nutritionist says exercise, coffee, and sun are better ways to a long healthy life.
Health 2020-07-07T17:42:00Z

Vitamin D may be a good defense against the coronavirus, according to several new reports. Here's what you need to know.

Three new UK reports are recommending that people boost their vitamin D levels as a precaution against the coronavirus, despite uncertain evidence.
Health 2020-07-06T16:26:00Z

Kourtney Kardashian said her doctor put her on the keto diet to cleanse her of toxins and metals. Experts say there's no evidence that works.

Kourtney Kardashian says her keto diet is doctor-approved to help cleanse her of metals and toxins. Experts say there's no evidence keto does that.
Health 2020-07-02T20:20:00Z

How to eat healthily even during stressful times, according to nutritionists

Stress affects appetite, causing excessive stress eating or loss of appetite. Here's what nutritionists recommend to eat well during times of stress.
Health 2020-07-01T19:14:00Z

Stop worrying about bread, nutritionists say — the toppings you put on your carbs are more likely to influence your weight

According to nutritionists bread can be a healthy part of your diet even if you're trying to lose weight if you pay attention to high-calorie toppings
Health 2020-06-24T12:52:00Z

Copper will not protect you from the coronavirus, despite its germ-killing properties, a microbiologist says

A slew of ads for copper products claim to protect against the coronavirus. But despite having antimicrobial properties, experts say they won't work.
Health 2020-06-22T16:26:00Z

Photos: Giant outdoor 'yoga domes' let people join exercise classes without worrying about spreading the coronavirus

50 bubble domes, 7 feet tall and 12 feet wide, have been installed in Toronto for outdoor hot yoga classes to reduce risk of spreading the coronavirus
Health 2020-06-10T13:01:00Z

Avoiding red and processed meats could cut your cancer risk, according to American Cancer Society guidelines

The American Cancer Society's latest guidelines now recommend limiting or cutting out red meat and processed meat to decrease risk of cancer.
Health 2020-06-09T18:31:00Z

New cancer prevention guidelines recommend more exercise than before, take a harder line on processed meat, and advise against alcohol

New guidelines from the American Cancer Society recommend at least 300 minutes a week of exercise, not 150, and a diet rich in plants, low in meat.
Health 2020-06-09T14:53:00Z

CrossFit gyms around the world are rebranding after the CEO's insensitive comments about George Floyd: 'They don't own the workout'

CrossFit CEO Greg Glassman made insensitive comments about George Floyd. Within a day, hundreds of gyms in a dozen countries have denounced the brand.
Health 2020-06-09T14:11:00Z

How to safely go to the gym and reduce your risk of getting the coronavirus

Gyms are re-opening, but workouts could still pose risk of infection from the coronavirus. Here's how to have a safer exercise session.
Health 2020-06-08T13:22:00Z

Gyms are starting to reopen — here's a look at what it's like to work out during the pandemic

Gyms around the world are beginning to reopen after lockdowns to prevent the spread of the coronavirus. Here's what it looks like to work out now.
Health 2020-06-07T16:23:00Z

Photos: Healthcare workers are hitting the streets in New York City to support Black Lives Matter protests

Doctors, nurses and other medical experts are donning their scrubs and masks and taking to the streets to speak out against injustice in protests.
Health 2020-06-05T17:27:00Z

Doctors and nurses are on the front lines of protests despite the coronavirus: 'Racism has been killing our patients since the hospital was built'

Some healthcare workers are joining protests against police brutality, despite the coronavirus risks. Here's why, and how they stay safe.
Health 2020-06-04T17:25:00Z

An ultramarathoner ran over 100 miles in her house after her races were cancelled due to the pandemic

A Michigan preschool teacher won an award for setting up a 100 mile route in her living room, hallway, and spare bedroom.
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