Fitness
The Global Iron-Deficiency Crisis
Some two billion people don’t get enough of this essential mineral in their diet
Fitness1132 articles archived since 1845
Fitness
Why Race Matters in Personalized Health Care
Achieving better, more equitable treatments requires looking at multiple factors that affect populations differently, including genetic variations
Fitness
Our Bodies Replace Billions of Cells Every Day
Blood and the gut dominate cell turnover
Fitness
Is Estrogen Deficiency Really a Thing?
The catchall term plays into a cultural notion that estrogen is what makes a woman a woman
Fitness
Reproductive Problems in Both Men and Women Are Rising at an Alarming Rate
A likely culprit is hormone-disrupting chemicals
Public Health
Is 70 Really the New 60?
People are aging better but not across the board. Education makes a dramatic difference
Fitness
Eating Turkey Does Not Really Make You Sleepy
Don't blame the tryptophan in your Thanksgiving turkey. The post-dinner drowsiness probably results from carbs and alcohol
Fitness
A New Cell Map of the Human Heart
Scientists have created an atlas of cardiac cells in six regions that could help chart what goes awry in heart disease
Policy
Election Science Stakes: Technology
We wrap up our preelection series with Scientific American senior editor Jen Schwartz, who talks about the possible effects of the election results on technology development and use.&..
Fitness
Taking Early Cancer Detection to the Next Level
The genomic revolution gives us an opportunity to bend the mortality curve
Public Health
Election Science Stakes: Medicine and Public Health
Scientific American’s senior medicine editor Josh Fischman talks about issues in medicine and public health that will be affected by this election.
Medicine
Discovery of Hepatitis C Snags Nobel Prize in Medicine
Harvey J. Alter, Michael Houghton and Charles M. Rice share the award for identifying the virus behind the blood-borne liver disease
Fitness
How the Immune System of Older Adults Like Trump Weakens with Age
As people age their innate and adaptive immune responses react more slowly, increasing their risk from diseases like COVID-19
Fitness
Why Some People Are Still Getting Sick—but Not with COVID
Despite pandemic precautions, the common cold and other illnesses are still circulating
Fitness
Dinosaurs Got Cancer, Too
Researchers seeking evidence for cancer in dinosaurs found it in a collection of bones at a paleontology museum in Alberta.
Medicine
When and Why You Should Get a Flu Shot
Experts explain why getting vaccinated is important every year—and especially during a pandemic
Fitness
How Good a Diet Is Intermittent Fasting?
The popular fasting diet regimen can work well for weight loss, but many other claims about its benefits remain to be proved
Fitness
Our Health Depends on Our Homes and Work Spaces
A new book looks at the science of how our buildings affect our bodies and minds
Fitness
COVID-19 Can Wreck Your Heart, Even if You Haven’t Had Any Symptoms
A growing body of research is raising concerns about the cardiac consequences of the coronavirus
Fitness
The Chance of Identical Fingerprints: 1 in 64 trillion
Originally published in June 1894
