Public Health
40 is Considered Old in Senate GOP Health Plan
People at that age who receive subsidies for care would see big changes
Health
Public Health
Is the Senate Health Care Plan "Mean"?
Behavior & Society
Teen Pregnancies Down as More Adolescents Use Contraception
Most Popular
Why Are so Many Babies Born around 8:00 A.M.?
Data visualization engineer Zan Armstrong takes a close look at human birth patterns.
Are You a Magnet for Mosquitoes?
Researchers are studying the way twins smell for clues about the genetic basis of insect appeal
Science Calls Out Jeff Sessions on Medical Marijuana and the "Historic Drug Epidemic"
Rolling back protections from federal interference in state legalization laws could worsen the opioid overdose crisis
Why I Won't Get a PSA Test for Prostate Cancer
Physicians are still recommending the blood test for prostate cancer even though it harms far more men than it helps
Brain-Invading Tapeworm That Eluded Doctors Spotted by New DNA Test
Genetic sequencing of spinal fluid hailed as an advance over standard procedures for diagnosing brain infections
The Human Genome Was Never Completely Sequenced
The effort completed in 2003 used the best technology available but now scientists could do more
Special Report
Videos
Why Do Allergies Make You Sneeze?
Do you suffer from allergies? Follow the dendritic cell and the entire Scientific American Allergy Orchestra to discover how allergens from pollen to pet dander can change the body's tune.
Podcasts
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