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New research shows that paralyzed mice walk again

People paralyzed because of spinal cord injuries may glean some hope from new research carried out in mice.

7 Jan 2008

Scientists restore walking after spinal cord injury

Spinal cord damage blocks the routes that the brain uses to send messages to the nerve cells that control walking.

7 Jan 2008

Tracking down allergenic substances

At present, animal tests are the only way of determining whether a particular chemical can cause an allergic reaction.

7 Jan 2008

Study looks at newly homeless youth and sexual behaviors

Newly homeless youth are likelier to engage in risky sexual behavior if they stay in nonfamily settings — such as friends' homes, abandoned buildings or the streets — because they lack supervision and social support, a new UCLA AIDS Institute study has found.

7 Jan 2008

New food technologies are changing European diets

Humans have transformed raw ingredients into food since prehistoric times. But scientists are still looking for new ways to make food taste better and survive longer.

7 Jan 2008

Everyone carries at least 1 type of pesticide

A study carried out by researchers from the Department of Radiology and Physical Medicine of the University of Granada, in collaboration with the Andalusian School of Public Health (Escuela Andaluza de Salud Publica), found that 100% of Spaniards analyzed had at least one kind of persistent organic compound (POC's), substances internationally classified as potentially harmful to one's health, in their bodies.

7 Jan 2008

Surprising number of doctors prescribe placebos

The revelation that doctors in the U.S. commonly prescribe placebos has surprised many.

6 Jan 2008

Scientists link depression to a biological mechanism that affects the olfactory glands

Can't smell the roses? Maybe you're depressed. Smell too much like a rose yourself? Maybe you've got the same problem.

4 Jan 2008

Brisk walking routine eases menopausal anxiety, stress and depression

With more menopausal women seeking natural therapies to ease symptoms, a new study has found that simply adding a brisk walking routine can reduce a variety of psychological symptoms such as anxiety, stress and depression.

4 Jan 2008

Hypothyroidism treatment no 'quick fix' for weight loss in children

Children treated for hypothyroidism aren't likely to drop pounds with treatment for the condition says a new study in the Journal of Pediatrics.

4 Jan 2008

Research focuses on basic cellular mechanics that instigate the muscle contractions of labor

In the 21st century, human tissue can be generated from stem cells and severed limbs are successfully reattached, while the physiological processes governing life's most fundamental event, childbirth labor, remain a medical mystery.

4 Jan 2008

Novel anti-tumor compound

Researchers at Emory University have developed a novel anti-tumor compound that represents a distinct strategy: targeting one of the most important "intercept points" for cancer cells.

4 Jan 2008

Multiple species of bacteria may cause infectious eye disease trachoma

In a study published in this week's PLoS Medicine, researchers have found that more than one species of bacteria may be causing the infectious eye disease trachoma.

4 Jan 2008

Magnetic therapy shown to significantly reduce swelling after tissue trauma

A recent study by University of Virginia researchers demonstrates that the use of an acute, localized static magnetic field of moderate strength can result in significant reduction of swelling when applied immediately after an inflammatory injury.

4 Jan 2008

Need for greater recognition of the use of placebos

In the first study examining American physicians' use of placebos in clinical practice in the 21st Century, 45 percent of Chicago internists report they have used a placebo at some time during their clinical practice researchers report in the January issue of Journal of General Internal Medicine.

4 Jan 2008

New clues for an effective AIDS vaccine

Two simple changes in its outer envelope protein could render the AIDS virus vulnerable to attack by the immune system, according to research from Kenya and the Fred Hutchinson Cancer Research Center published in PLoS Medicine.

4 Jan 2008

Gene therapy can reduce long-term drinking among rodents

Just as the risk of developing alcoholism is strongly influenced by genetic factors, mutations in gene coding - such as the aldehyde dehydrogenase (ALDH2*2) allele - also appear to protect against the risk.

4 Jan 2008

Down syndrome points to a new way of repressing cancer growth

Researchers at Johns Hopkins and Ohio State University have found that the number of copies of a particular gene can affect the severity of colon cancer in a mouse model. Publishing in the Jan. 3 issue of Nature, the research team describes how trisomy 21, or Down syndrome in humans, can repress tumor growth.

4 Jan 2008

Big pharma spends almost twice as much on marketing drugs than on research and development

The pharmaceutical industry spends almost twice as much on the marketing and promotion of drugs than on research and development, according to a new analysis in this week's PLoS Medicine.

4 Jan 2008