Health & Medicine
- Earth
A New Would-Be Hormone in Water
Nitrate, a common pollutant, may also perturb reproductive hormones—at least in frogs.
- Health & Medicine
Mouse, Heal Thyself: Therapeutic cloning from a mouse’s own cells
Mice with a Parkinson's disease–like condition benefited from receiving new nerve cells made through therapeutic cloning of their own cells.
- Health & Medicine
Still Waters: Skin disease microbe tracked to ponds, swamps
Scientists establish pond water as the natural environment of Mycobacterium ulcerans, the cause of the skin disease Buruli ulcer.
- Health & Medicine
Strong support for a basic diet
The alkalinity of diets rich in potassium—usually a reflection of heavy fruit and vegetable consumption—helps preserve muscle.
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- Health & Medicine
Long-life Link: Gut protein ties low insulin to longevity
A new link between insulin and aging adds to scientists' understanding of longevity and points to possible targets for life-extending therapies.
- Health & Medicine
Bad Blood? Old units might be substandard
Heart patients who get transfusions of donated blood that's kept more than 14 days fare worse than patients who get fresher blood.
- Earth
The Costs of Meat and Fish
The purchase price is often but a small part of the true cost of many animal products in the diet.
- Health & Medicine
Dual Role: Painkiller may affect brain
A class of drugs being developed to block pain could obstruct memory formation as well.
- Health & Medicine
Roll Up Your Sleeve: Hypertension vaccine passes early test
An angiotensin vaccine stifles high blood pressure in an early test in people.
- Health & Medicine
Vatican Identifies Sinful Field of Science
Would the Pope have shut down Gregor Mendel’s pea studies?
- Health & Medicine
New technique brings Parkinson’s treatment closer
An efficient technique to make dopamine-producing nerve cells from human embryonic stem cells could mark a step toward devising therapies for Parkinson's disease.
