Fitness1132 articles archived since 1845

Future of Medicine: How Doctors Boost the Immune System to Fight Cancer [Video]

Unexplained "Genetic Superheroes" Overcome Disease Mutations

Scientists focus on people who carry genetic mutations that cause severe childhood diseases—but don’t get them 

Second Chinese Team Reports Gene Editing in Human Embryos

Study used CRISPR technology to introduce HIV-resistance mutation into embryos 

HIV Fights Off CRISPR Gene-Editing Attack

Virus can quickly develop mutations that resist DNA-shearing enzymes

Obesity Trends in the U.S. Reflect a Global Epidemic

An interactive graphic highlights the U.S.’s shift from underweight to overweight

Facing Down the World's Deadliest Pathogens in a BSL4 Lab

Researchers reach a crucial milestone despite the challenges of working under astronaut-like conditions

World's Obese Population Hits 641 Million

There are now more overweight than underweight people globally, study finds

Mother’s Smoking During Pregnancy Affects Baby’s DNA

Changes in gene expression may explain how smoking contributes to certain birth defects

Zika Vaccine Could Solve One Problem While Stoking Another

Growing concerns about a Zika–autoimmune disease link are casting a shadow over vaccine development

Put Your Peripheral Vision to the Test

An eye-catching science project from Science Buddies

How to Find Coffee That Won't Bother Your Stomach

Low-acid coffee is said to be easier on the stomach. But the acidity of the coffee is probably not the problem. Learn what to look for in a stomach-friendly brew

Out-of-Hospital Births on the Rise in U.S.

Deliveries in other locations have grown from 1 percent to 1.5 percent of all births in the past decade

Friendly Germs Protect Mice against Cancer

Some types of intestinal bacteria may boost the body's ability to fight malignancy

Feeding a Malnourished Microbiome

New research shows that sugars lacking from the milk of malnourished mothers may be the key to a gut ecosystem children need for proper growth

"The Blend," a Meat–Mushroom Amalgam, Hits Restaurants and School Cafeterias

The hybrid is healthier than all-beef dishes—and a more sustainable option, too

Rage Disorder Linked with Parasite Found in Cat Feces

Toxoplasmosis may alter brain chemistry in people exhibiting bouts of explosive anger

The Fastball Gets Its Scientific Due in a New Documentary

The new movie Fastball dissects the pitch from the perspective of pitchers, hitters, umpires—and scientists, who talk about everything from the physics governing the trajectory of the ball to the neuroscience of the batter’s perception and reaction—including how the ball can appear to vanish...

What Causes Allergies?

The prevalence of allergies is on the rise, but why do some people suffer allergic reactions while others don't? If you were lucky enough to be an allergy-free kid, could you still develop allergies as an adult?...

A Shot against Cancer

Vaccines that target cancer cells using their own DNA could help eliminate tumors and prevent recurrences

Spot the Fat in Your Snack

A greasy science project from Science Buddies