Mariana Lenharo is a life sciences reporter at Nature. Follow Lenharo on Twitter @marilenharo
Scientists Look for Toxins from East Palestine Derailment in Ohio
East Palestine residents are looking to independent researchers to fill gaps left by authorities about the toxic chemicals that could be affecting people after a train derailment
Highly Politicized Congressional Hearings Air COVID Lab-Leak Hypothesis
House Republicans have kicked off an investigation into how the pandemic began with witnesses who largely favor a lab origin
U.S. Lawsuit Threatens Access to Abortion Drug: The Science behind the Case
A judge’s decision could ban mifepristone across the country and weaken the Food and Drug Administration’s authority
Why Did Flu Season Start So Early This Year?
Reduced population immunity resulting from COVID precautions, and a phenomenon called viral interference, may have influenced this flu season’s early start
These Drugs Could Restore a Period before Pregnancy Is Confirmed
Menstrual regulation has a long history in the U.S., and new techniques could get around abortion restrictions
Your Questions about the New COVID Booster Shots, Answered
New COVID booster vaccines built for the latest variants are here and should be more effective. But there are still some unknowns
Birth Control Pills Are Safe and Simple: Why Do They Require a Prescription?
The risks associated with hormonal contraception are lower than the risk of pregnancy itself and comparable to those of other over-the-counter drugs
Is It COVID, or Is It Allergies?
Patient history, context and a few symptoms may help distinguish between the conditions
Even Mild COVID Can Increase the Risk of Heart Problems
Scientists are just starting to unravel the disease’s long-term cardiac effects
Being Denied an Abortion Has Lasting Impacts on Health and Finances
A landmark study of women seeking abortions shows the harms of being unable to end an unwanted pregnancy
Vaccination Protects Pregnant People and Their Babies from Severe COVID
Studies show the vaccines against the disease not only can be safely given to people who are expecting but can also save lives
Why COVID Vaccines Are Likely Safe for Pregnant People
The scantness of available data leaves the decision up to the individual and their doctors, though benefits can outweigh risks in some cases
Blood and Silicon: New Electronics-Cooling System Mimics Human Capillaries
Microchannels strategically carved in chips could help meet demand for ever-smaller devices and cut energy use