Nathan Seppa
Biomedical Writer (retired September 2015)
Trustworthy journalism comes at a price.
Scientists and journalists share a core belief in questioning, observing and verifying to reach the truth. Science News reports on crucial research and discovery across science disciplines. We need your financial support to make it happen – every contribution makes a difference.
All Stories by Nathan Seppa
-
Health & Medicine
Could this be the end of the monthly period?
Two compounds stop menstruation in monkeys, suggesting that similar drugs might someday enable women to bypass monthly bleeding.
-
Health & Medicine
Protein may post lung cancer warning
The protein Ki-67, sometimes present on tissue lining the lungs, may act as a warning sign of lung cancer risk for ex-smokers.
-
Health & Medicine
Once a cesarean, always a cesarean?
Expectant mothers who've already given birth by cesarean section put themselves at increased risk of uterine rupture by trying vaginal birth.
-
Health & Medicine
Cox-2 shows up in stomach cancers
The inflammatory enzyme Cox-2 is present in stomach tumors, suggesting that drugs that inhibit the enzyme might help supress tumor formation.
-
Health & Medicine
New drug fights a chronic leukemia
A genetically engineered drug that fuses an antibody to a toxin attacks cancerous cells in hairy-cell leukemia.
-
Health & Medicine
Surgery for epilepsy outshines medication
People with severe epilepsy who undergo brain surgery have markedly fewer disabling seizures during the following year than do those relying on medication.
-
Health & Medicine
Synthetic protein may yield malaria vaccine
A molecule patterned after part of the parasite that causes most severe malaria induces a strong immune response in people.
-
Health & Medicine
Ebola May Enter Cell via Folate Gate
A cell-surface molecule that normally binds to folate might be targeted by Ebola and Marburg viruses as their entry point to people's cells.
-
Health & Medicine
Reptilian drug may help treat diabetes
The synthetic version of exendin-4, a compound in gila monster venom, helps insulin injections control blood sugar in people with type I, or juvenile-onset, diabetes.
-
Health & Medicine
Thinking blurs when blood sugar strays
Blood sugar concentrations that are too high or too low can impair thinking and, in the case of low blood sugar, driving ability.
-
Health & Medicine
Sticky platelets boost blood clots
Tests for genetic variations of a key protein on platelets, the cell-like blood components that form clots, and their propensity to clump could help physicians determine optimal medication for heart disease patients.
-
Health & Medicine
Marijuana may boost heart attack risk
Marijuana seems to heighten the risk of heart attack in some people during the hour after which it is smoked.