Nathan Seppa

Biomedical Writer (retired September 2015)

All Stories by Nathan Seppa

  1. Uganda shows strong gains in war on AIDS

    Uganda has shown remarkable progress against HIV, the AIDS virus.

  2. Health & Medicine

    Unsettling Association: Dental X rays linked to low-birth-weight babies

    Getting dental X rays while pregnant might increase a woman's risk of giving birth to a low-birth-weight baby.

  3. Health & Medicine

    Experimental drug boosts HDL counts

    An experimental drug can dramatically increase blood concentrations of high-density lipoprotein, the beneficial cholesterol.

  4. Health & Medicine

    CT scan no match for colonoscopy

    Colonoscopy is better at detecting potentially dangerous colon polyps than computed tomography scanning is.

  5. Health & Medicine

    Prostate enzyme triggers cancer drug

    A new drug reverses advanced prostate cancer in mice by enlisting the aid of prostate-specific antigen, an enzyme found in most prostate tumors.

  6. Health & Medicine

    Zapping Wayward Cells: Therapy sheds light on transplant complication

    Ultraviolet light can curb graft-versus-host disease, a common complication of bone marrow transplants, a study of mice shows.

  7. Health & Medicine

    Pill boosts cancer risk in some women

    Women who took oral contraceptives before 1975, and whose mother or sister had breast cancer between 1944 and 1952, have triple the likelihood of getting breast cancer as compared with similar women who didn't take the pill.

  8. Health & Medicine

    Interferon delays multiple sclerosis

    In some people who show early-warning signs of multiple sclerosis, the drug interferon-beta-1a seems to delay or even prevent the disease from becoming full-blown.

  9. Health & Medicine

    Study bolsters head injury, Alzheimer’s link

    Veterans who suffered a moderate or severe concussion during World War II face a heightened risk of Alzheimer's disease when they reach old age.

  10. Health & Medicine

    Drug for preemies linked to problems

    A steroidal drug used to combat lung inflammation in premature infants appears to have long-term negative effects.

  11. Health & Medicine

    SARS vaccine tests well in mouse model

    Scientists have developed a DNA vaccine that stops the SARS infection in mice.

  12. Health & Medicine

    Better-Off Circumcised? Foreskin may permit HIV entry, infection

    Circumcision seems to offer partial protection against HIV infection, but not other sexually transmitted diseases.