Wellness

Over-the-counter rapid antigen tests can help slow the spread of coronavirus, but only if you use them properly. We'll tell you when and how to use them.

By Zoë McLaren

A landmark study showed that switching from salt to a salt substitute could lower the risk of strokes, heart disease and premature death.

By Alia Hoyt

The FDA fully approved the Pfizer COVID-19 vaccine for those 16 and older, but that still leaves children under age 12 ineligible to get vaccinated. Should off-label use be considered to protect them?

By Jennifer Walker-Journey

Vaccines stimulate our immune system to help protect us from a specific disease or virus, like COVID-19. But sometimes that protection wanes and we need additional doses, or booster shots.

By Joanna Thompson

Skipping your daily shower doesn't necessarily mean you're lazy — it can actually be good for your skin, say doctors.

By Alia Hoyt

Supplements promise the moon – lose weight, end depression, stop smoking, sleep better, get young again! The supplement industry grew to massive proportions by offering up perfection in a pill.

By Conor Heffernan

Blood flow restriction training, or BFR, is a technique in which athletes intentionally limit the blood flow to a specific area of the body during a workout using a band or cuff. But can anyone benefit from this technique?

By Joanna Thompson

When thinking about traveling with unvaccinated children, two types of risk should be considered – the direct risk for the child and the risk of transmission to others.

By William C. Miller

A TikTok trend is pretty harmless, but can lettuce leaves steeped in water really help your insomnia?

By Jesslyn Shields

Pfizer says COVID-19 booster shots are necessary, but the CDC and FDA say they're not. Are these mixed messages only going to confuse those who are still not vaccinated? We asked some expert vaccinologists for their opinion.

By Joanna Thompson

You think you're old? We're pretty certain you've got nothing on these two Guinness World Record holders who lived seriously long lives. And we mean long!

By Sarah Gleim

The winner of the Tour de France has to eat constantly to generate enough energy to complete all 21 stages of the grueling race. But just how many calories will the winner burn in the end?

By John Eric Goff

A study published by the British Medical Association found average life expectancy in the U.S. dropped between 2018 and 2020 by almost two years, the largest ever since WWII.

By Sarah Gleim

Does we really know the limit of the human life span? So far, the longest a person has lived is 122 years. Can we push it even longer?

By Richard Faragher

When COVID-19 hit the world in 2020, scientists went into overdrive and developed several successful vaccines. Yet the push for an HIV/AIDS vaccine has been going on for nearly 40 years with no viable result. Why?

By Ronald C. Desrosiers

A third of American adults say they definitely or probably won't get the COVID-19 vaccination. But vaccine hesitancy has a long history in the world. Why is that and what can be done to change it?

By Alia Hoyt

The CDC and FDA are halting the use of the Johnson & Johnson COVID-19 vaccine at least until further review. If you got the J&J vaccine, should you be worried?

By William Petri

You might not have heard the word phthalates, but you've been exposed to them. They're chemicals that make plastics stronger and they're in just about everything you touch. But are they harmful to your health?

By Stephanie Parker

CBG, or cannabigerol, is the building block to all other cannabinoids. It's touted as being the cure-it-all cannabis product, but does it live up to that hype?

By John Donovan

Sitting on your butt all day can do a number on your health. Calisthenics, which is resistance training using your body weight, is a great way to stay in shape.

By Melanie Radzicki McManus

Nitrates are found not only in processed meats, but also naturally occur in green vegetables as well. So, are they dangerous?

By Alia Hoyt

The FDA found the single-dose COVID-19 vaccine safe and effective. So how does it differ from the Moderna and Pfizer vaccines, and is one better than the others?

By Maureen Ferran

While the coronavirus still rages across the globe, Moderna and Pfizer both have achieved more than 90 percent efficacy in their mRNA COVID-19 vaccine trials. Does this mean an end to the pandemic is in sight?

By John Donovan

Many people don't trust vaccines. But the more we know about the flu vaccine, the higher our level of trust will be, and the more people will likely accept a coronavirus vaccine.

By Terri Levien & Anne P. Kim

In the U.S., normal body temperature has been dropping over the past 150 years. People run cooler today than they did two centuries ago. Why is that?

By Michael Gurven & Thomas Kraft