Health & Medicine
- Health & Medicine
Long-term ecstasy use impairs memory
Extended use of the illicit drug called MDMA or ecstasy exacerbated memory problems in users aged 17 to 31, none of whom reported alcohol dependence.
By Nathan Seppa - Health & Medicine
Peptide puts mouse arthritis out of joint
A compound called vasointestinal peptide, which binds to immune system T cells and macrophages, thwarts arthritis in mice.
By Nathan Seppa - Health & Medicine
Epileptic seizures may be predictable
Patterns of mild electrical disturbance in the brains of epilepsy patients appear to foreshadow a seizure hours before its onset.
- Health & Medicine
Anthrax Threat
Anthrax has evolved from a disease that farmers sometimes caught from livestock to a potent biological weapon. The Centers for Disease Control and Prevention in Atlanta offers a highly accessible Web site that answers basic questions about transmission, treatment, and prevention of anthrax. The site also provides links to Web pages that explain the biology […]
By Science News - Health & Medicine
Novel typhoid vaccine surpasses old ones
A new vaccine links a sugar molecule found on the surface of the bacterium that causes typhoid fever with a genetically engineered version of the exotoxin protein, which arouses the immune system to churn out antibodies against the bacterium.
By Nathan Seppa - Health & Medicine
Germ-killing plastic wrap
Biodegradable plastic that releases germ killers provides an example of what’s known as active packaging, and scientists report progress toward taking this concept to market. Paul Dawson and his colleagues at Clemson (S.C.) University are fashioning plastics from proteins found in corn, soy, and wheat. While these biodegradable polymers are being heated or compressed to […]
By Janet Raloff - Health & Medicine
Vitaminlike compound eases rare disorder
A vitaminlike substance called coenzyme Q10 helps people with familial cerebellar ataxia, a hereditary disorder that damages the spine and the part of the brain responsible for coordination.
By Nathan Seppa - Health & Medicine
Blood markers of clogging arteries emerge
The concentration in blood of one chemically transformed cholesterol-carrying molecule may signal to doctors when a patient's heart disease has dangerously worsened.
By Janet Raloff - Health & Medicine
Natural antidepressant has its limits
St. John's wort, a popular ingredient in herbal remedies, may not help people with moderate or severe forms of depression.
By Linda Wang - Health & Medicine
Infections tied to head and neck cancers
Infections from human papillomavirus (HPV) may increase the risk of certain cancers of the head and neck, especially of the tonsils.
By Linda Wang - Health & Medicine
Boosting Boron Could Be Healthful
Largely ignored so far, dietary boron may play important roles in preventing diseases such as arthritis and prostate cancer.
By Janet Raloff - Health & Medicine
Fatty Findings
A recently discovered protein may explain at least part of the molecular mechanisms behind links among obesity, diabetes, heart disease, and even some cancers.