Health & Medicine
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Health & MedicineVaccine didn’t cause heart deaths
Fatal heart attacks that recently struck two people after they were vaccinated against smallpox were probably unfortunate coincidences, not adverse consequences of vaccination.
By Ben Harder -
Health & MedicineShots stop allergic reactions to venom
An immune therapy prevents allergic reactions to the sting of the jack jumper ant, a pest common to Australia.
By Nathan Seppa -
Health & MedicineHoming In on Ephedra’s Risks
On Feb. 16, pitcher Steve Bechler of the Baltimore Orioles collapsed while running sprints at the team’s spring-training camp in Florida. He died a few hours later. Subsequent investigation linked the 23-year-old player’s apparent heatstroke with a popular diet aid containing both caffeine and ephedra, a botanical product rich in other natural stimulants. Ephedra plant. […]
By Janet Raloff -
Health & MedicineDeadly Stowaways: Seeds of cancer in transplant recipients are traced back to donors
Precancerous cells that grow into Kaposi's sarcoma are sometimes introduced into a person in an organ transplant.
By Nathan Seppa -
Health & MedicineDanes keeping drugs out of livestock
Reducing the amount of antibiotics given to livestock in Denmark has lowered the amount of drug-resistant Enterococcus faecium bacteria in the meat of these animals.
By Nathan Seppa -
Health & MedicineIndian encephalitis is traced to measles
An outbreak of fatal encephalitis in India appears to have been caused by a strange form of rashless measles in a majority of the sick children tested.
By Nathan Seppa -
Health & MedicineNew Australian virus infects people
Australian scientists have identified a new virus, apparently spread by fruit bats, that causes birth defects in pigs and severe illness in some people exposed to infected pigs.
By Nathan Seppa -
Health & MedicineVenison can contain E. coli bacteria
Escherichia coli, which causes severe diarrhea in people, may be widespread in deer, a finding that raises concerns about preparation of wild-game meats.
By Nathan Seppa -
Health & MedicineWeight-loss pill carries risks
The drug ephedra and its presumed active ingredient, ephedrine, provide only modest weight-loss effects and pose health risks.
By Nathan Seppa -
Health & MedicineMicrobicide thwarts AIDS virus in monkey test
A microbicidal gel applied vaginally prevents some transmission of the AIDS virus in monkeys.
By Nathan Seppa -
Health & MedicineA Make-Time-For-Sex Diet?
We’re slaves to our hormones. Teenagers and pregnant women are experts on that topic. Both ride an emotional roller coaster as their bodies produce vacillating amounts of sex hormones. In fact, behind the scenes of all human biology–from conception to death–a delicate interplay of hormones drives everything from the expression of our gender to regulation […]
By Janet Raloff -
Health & MedicineProgress Against Dementia: Drug slows Alzheimer’s in severely ill patients
The drug memantine slows the progression of late-stage Alzheimer's disease in patients previously considered untreatable.
By Nathan Seppa