Humans

  1. Health & Medicine

    Insulin lowers more than blood sugar

    Insulin may reduce inflammation and protect the heart.

    By John Travis
  2. Health & Medicine

    Healing the heart from within

    An unusual mouse strain can regenerate heart tissue when the organ is damaged.

    By John Travis
  3. Health & Medicine

    Stem cell research marches on

    Cells from human embryos can be transformed into heart cells or insulin-secreting cells.

    By John Travis
  4. Health & Medicine

    Drugs Counter Mad Cow Agent in Cells

    Fueled only by promising studies of cells, a California research team has invited controversy by beginning to give a little-used malaria drug to patients who have the human version of mad cow disease.

    By John Travis
  5. Health & Medicine

    Vaccine Verity

    Widely publicized concerns about vaccination leading to autism, multiple sclerosis, and diabetes have not been borne out by research.

    By Damaris Christensen
  6. Humans

    Cloning hearing creates media frenzy

    A panel reviewing human cloning heard the pros and cons of the issue during a fiery debate.

    By John Travis
  7. Humans

    Bush favors some stem cell research

    President Bush said he would support work on stem cells that already had been propagated from embryos otherwise fated for disposal in fertility clinics, but he opposes financing the destruction of additional embryos to create new cell lines.

    By John Travis
  8. 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.

    By Nathan Seppa
  9. Health & Medicine

    Germ-Fighting Germs

    Plants and animals arent the only things that get sick. Even pathogenic microbes can succumb to infections. Federal plant pathologists are now looking to capitalize on that phenomenon as a strategy to fight off food poisoning. R. Savidge Though nature seals most fruits and vegetables in germ-resistant peels and rinds, once those outer barriers are […]

    By Janet Raloff
  10. 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.

    By Nathan Seppa
  11. 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.

    By Nathan Seppa
  12. 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.

    By Nathan Seppa