All Stories by Janet Raloff
- Humans
Better protection from mad cow disease
The Food and Drug Administration has announced several new measures to keep meat that's potentially infected with mad cow disease out of food supplies.
- Health & Medicine
Bacteria Brew a B Vitamin Boost
When looking for naturally rich sources of cobalamin, better known as vitamin B12, most people turn to meats. Because the essential nutrient generally isn’t present in plants, vegetarians run the risk of deficiency, which can cause neurological symptoms from tingling toes to disorientation and memory problems. Many of these people therefore turn to synthetic supplements […]
- Earth
Danger on Deck?
The Environmental Protection Agency no longer allows residential installation of pressure-treated lumber and recommends the application of sealant to prevent leaching of carcinogens out of existing lumber structures.
- Health & Medicine
A Swiss Paradox?
Gstaad, Switzerland, has gained renown for its challenging ski trails and celebrity sightings. Come summer, however, the area’s slopes host cows, not skiers. It now appears that milk from those cows produces cheeses rich in some heart-healthy nutrients. Where and on what Bossie grazes appears to make a big difference in heart-healthiness of cheeses made […]
- Earth
Even Nunavut gets plenty of dioxin
Within a few weeks, some of the dioxin generated by industrial activities in the United States and Mexico falls out in the high Arctic.
- Health & Medicine
Diabetes: Coffee and Caffeine Appear Protective
Most studies over the past decade have painted tea as a therapeutic beverage and coffee as its dastardly counterpart–a brew that challenges weak hearts and joints. However, such black-and-white characterizations appear to have overstated coffee’s dark side. New data now indicate that drinking java–lots of it, and especially the caffeinated form–can curb type II diabetes. […]
- Earth
This pollutant fights lupus
A hormone-mimicking pollutant that leaches out of some plastics appears to fight lupus.
- Health & Medicine
Ephedra Finale
Last week, Health and Human Services Secretary Tommy G. Thompson announced that the Food and Drug Administration would soon outlaw U.S. sales of diet products containing stimulants derived from the Ephedra sinica plant. He timed the pronouncement to anticipate the start of the perennial diet season: New Year’s Day. Ephedra plant. Univ. of Calif., Davis […]
- Earth
When testosterone gets down and dirty
Testosterone excreted by livestock can pass through soils, which may explain new findings of fish-altering hormonal activity in water downstream of cattle feedlots.
- Health & Medicine
Cold Comfort . . . Not!
No doubt about it: We’re in the throes of cold and flu season. Sniffles, coughs, sneezes, headaches, scratchy throats, loss of appetite, stuffy heads, and occasional vomiting can leave us feeling wretched for days to weeks on end. The youngest sufferers are especially miserable. Echinacea purpurea, a species of the purple coneflower, is the main […]
- Earth
When Drought Reigns, Diets Can Turn Poisonous
This time of year, most of the Western world is focusing on holiday indulgences: how many presents to buy, how many lights and candles to festoon the home, and how many sweets and feasts to offer family and friends. However, for many people in drought-stricken Africa, food and water will be in perilously short supply […]
- Earth
Leaden Gardens
Soils in many cities of the United States carry a poisonous legacy: heavy concentrations of lead. The metal was deposited for years as fallout from flaking leaded house paint and the emissions of cars burning leaded gasoline. Recognizing the threat posed by tainted soil, environmental scientists have warned that growing edible plants in soils near […]
