Health & Medicine

  1. Health & Medicine

    Salt trial provokes DASH of skepticism

    Though a new study finds that dramatic salt restriction can lower blood pressure, even among people without hypertension, some critics challenge its value in setting new dietary guidelines for all adults.

    By Janet Raloff
  2. Health & Medicine

    Attack of the Clones: Immune cells single out melanoma tumors

    Scientists can extract immune system cells that recognize tumor cells from people with melanoma, culture the rare cells to greatly increase their number, and inject them into the patients, sometimes putting the brakes on cancer.

    By Nathan Seppa
  3. Health & Medicine

    Immune protein may stall HIV

    People who have HIV but don't progress to AIDS make extra perforin, a protein that helps kill infected cells.

    By Nathan Seppa
  4. Health & Medicine

    Duct tape sticks it to warts

    Treating a wart with a covering of duct tape seems to be more effective—and less painful—than removing the wart by freezing it with liquid nitrogen.

    By Damaris Christensen
  5. Health & Medicine

    Cooking Science

    The Exploratorium’s “Science of Cooking” Web pages offer all sorts of advice on how to improve your cooking–with a pinch of science. Information, recipes, and activities focus on spices, bread, meat, eggs, and more. Experience the thrill of pickle making and learn about a zesty dish called kimchi. Explore the science of cooking your holiday […]

    By Science News
  6. Health & Medicine

    Schizophrenia spurs imaging network

    Thanks to a federal grant, a team of researchers will establish a national database of brain images that will allow for expanded investigations of the neural basis of schizophrenia.

    By Bruce Bower
  7. Health & Medicine

    Old Drug, New Uses?

    A hormone called erythropoietin, long used to treat anemia, also seems to protect against nerve damage and holds promise as a new therapy for stroke and spinal cord injury.

    By Damaris Christensen
  8. Health & Medicine

    First Line of Defense: Hints of primitive antibodies

    After looking in primitive marine invertebrates that are considered to be close relatives to vertebrates, immunologists find families of genes that might provide clues as to how early immune systems evolved.

    By Carol Marzuola
  9. Health & Medicine

    Coconspirator? Genital herpes linked to cervical cancer

    Having a genital herpes infection doubles the risk of cervical cancer among women who have human papillomavirus.

    By Nathan Seppa
  10. Health & Medicine

    Nervous tics in the heart

    The irregular heartbeats sometimes triggered after a heart attack may be caused by abnormal nerve growth in heart tissue damaged by the attack.

    By Damaris Christensen
  11. Health & Medicine

    Waiting to exhale

    A breath test that measures the activity of an enzyme involved in breaking down drugs in a person's body may help doctors minimize side effects from potent drugs such as docetaxel.

    By Damaris Christensen
  12. Health & Medicine

    Young Women Don’t Bone Up on Soy

    Among the many reported nutritional benefits of diets rich in soy is a strengthening of bone in postmenopausal women. For these Golden Girls, who face an increasing risk of osteoporosis, soy-based foods can provide much-needed assistance in limiting the inevitable loss of bone. Although soybeans are best known for their oil, their protein is also […]

    By Janet Raloff