The Best of Insider
10+ most popular Insider articles, as voted by our community.
Insider on Fitness
You're working out too hard. A doctor explains why low-intensity Zone 2 cardio is the key to…
Zone 2 cardio exercise is low intensity, helping you build stamina and fitness with less injury risk. Know your heart rate to train smarter not harder.
Insider on Food
5 breakfast staples linked to longer life, eaten by the healthiest people in the world
Yuuji/Getty ImagesDan Buettner has spent his career studying the 5 places in the world where people live the longest — dubbed the "Blue Zones."Buettner studied their diets, lifestyles, relationships,…
Insider on Health
The Rock swears by one time-saving exercise — and scientists just showed it can help you build…
Eccentric exercise like negative reps is key to Dwayne "The Rock" Johnson's training, and new research suggests it builds more muscle in less time.
A 'green' Mediterranean diet burns visceral fat faster than a classic Med diet, reducing risks of heart…
A Mediterranean diet with extra greens can help you lose a risky type of body fat linked to health risks like heart disease, according to new studies.
Insider on Longevity
A longevity expert says you can extend your lifespan if you eat more carbs, less protein, and…
A plant-based, carb-heavy diet and fasting routine may help slow aging, says longevity expert Valter Longo, whose celeb fans include Gwyneth Paltrow.
Longevity doctor Peter Attia takes 3 nighttime supplements, including ashwaganda, to improve his sleep
Longevity doctor Peter Attia shares his nighttime supplements routine: He pops 3 supplements, avoids snacking, and enjoys a hot sauna.
Insider on Relationships
I was having trouble making friends as an adult. When I started having 'arranged friendships,' everything changed.
Making friends as an adult is hard. I took the concept of arranged marriages and applied it to friendships. Now I help others make new friends.
5 simple ways to be a better friend, according to Harvard experts who have studied relationships for…
Dr. Robert Waldinger, director of the longest-running happiness study, shares his tips for fostering connection with others.
Popular
These are some all-time favorites with Refind users.
After an AI bot wrote a scientific paper on itself, the researcher behind the experiment says she…
The researcher asked the bot to write a 500 word academic thesis and submitted it to an academic journal. The paper is now being peer reviewed.
4 supplements that can become lethal when combined with certain prescription medications, according to a pharmacologist
Common supplements, such as St. John's wort, calcium, and iron, can reduce the efficacy of certain drugs, like antibiotics and antiviral medication.
I worked as a flight attendant for 2 years. Here are 10 things passengers should stop wasting…
Flying isn't cheap, but flight attendants pick up tricks for saving money on everything from food and water to currency exchanges while traveling.
Yes, there are more infectious diseases popping up these days — experts say there are 7 clear…
Polio, monkeypox, inexplicable liver damage in kids. "It's like all the biblical plagues are coming back, right?" one infectious disease expert said.
A team of architects designed a narrow, 13-foot-wide home that's big enough for a family of 4…
What made construction difficult is that the distance between houses is very small, Marek Obtulovic, an architect from ODDO Architects, told Insider.
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