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Researchers make new discovery on pigment melanin and skin - hair color

The pigment melanin, which is responsible for skin and hair color in mammals, is produced in specialized cells called melanocytes and then distributed to other cells. But not every cell in the complex layers of skin becomes pigmented.

10 Sep 2007

A drug-sensitive 'traffic cop' tells potassium channels to get lost

Our brains are buzzing with electrical activity created by sodium and potassium ions moving in and out of neurons through specialized pores. To prevent the constant chatter from descending into chaos the activity of these ion channels has to be tightly regulated.

3 Sep 2007

Carbon nanotubes to fight E. coli

Single-walled carbon nanotubes (SWCNTs) can kill bacteria like the common pathogen E. coli by severely damaging their cell walls, according to a recent report from Yale researchers in the American Chemical Society (ACS) journal Langmuir.

30 Aug 2007

New understanding of malaria mosquito's olfactory system

By mapping a specialized sensory organ that the malaria mosquito uses to zero in on its human prey, an international team of researchers has taken an important step toward developing new and improved repellants and attractants that can be used to reduce the threat of malaria, generally considered the most prevalent life-threatening disease in the world.

30 Aug 2007

New study determines when infants can think of out-of-sight objects

One of the most distinctive characteristics of humans is probably one you don't think of very often - the capacity to learn based merely on what someone tells you.

30 Aug 2007

Beware some cosmetic treatments carry health risks!

According to a consumer group in the UK people who undergo some cosmetic treatments put their health at risk by going out in the sun too soon.

29 Aug 2007

New discovery helps explain the mechanics of hearing

A 30-year scientific debate about how specialized cells in the inner ear amplify sound in mammals appears to have been settled more in favor of bouncing cell bodies rather than vibrating, hair-like cilia, according to St. Jude investigators.

28 Aug 2007

Potential new strategies for treating obsessive compulsive disorder

Using genetic engineering, researchers have created an obsessive-compulsive disorder (OCD) - like set of behaviors in mice and reversed them with antidepressants and genetic targeting of a key brain circuit.

24 Aug 2007

Clemson scientists improve longevity of fluorescent nanoparticles

Clemson University chemists have developed a method to dramatically improve the longevity of fluorescent nanoparticles that may someday help researchers track the motion of a single molecule as it travels through a living cell.

22 Aug 2007

Organ-transplant drug may help fight lupus

A compound related to a drug used in humans to prevent organ-transplant rejection attacks a key biochemical process in the faulty immune cells of lupus-prone mice, suggesting a possible new approach to combating the disease, UT Southwestern Medical Center researchers have found.

17 Aug 2007

Organ-transplant drug may aid in lupus fight

15 Aug 2007

Thyroid disease: Understanding hypothyroidism and hyperthyroidism

Doctors often mistake the symptoms of thyroid disease for another disorder such as heart failure, high cholesterol, or even dementia, says a new edition of a report from Harvard Medical School.

11 Aug 2007

Promising new line in anti-cancer therapy

A promising new line in anti-cancer therapy by blocking the molecular motors involved in copying genetic information during cell division is being pursued by young Dutch researcher Dr. Nynke Dekker in one of this year's EURYI award winning projects sponsored by the European Science Foundation (ESF) and the European Heads of Research Councils (EuroHORCS).

11 Aug 2007

Nanotech sensors and tiny transmitters to predict and prevent epileptic seizures

Purdue University researchers have developed new miniature devices designed to be implanted in the brain to predict and prevent epileptic seizures and a nanotech sensor for implantation in the eye to treat glaucoma.

8 Aug 2007

Men with masculine faces seen as bad choice for long-term love

Women see masculine men as unsuitable long-term partners, new research suggests. Conversely, the psychologists from Durham and St Andrews Universities found that men with feminine facial features are seen as more committed and less likely to cheat on their partners.

8 Aug 2007

Age-related hearing loss very common

For many people, hearing loss is part of aging. Hearing loss affects approximately one-third of people over age 65. Among people age 75 and older, 40 percent to 50 percent experience hearing loss.

7 Aug 2007

Skin-tightening for cellulite

If sagging skin is getting you down, recent advances in skin-tightening technologies can lift your spirits – and your skin – in a matter of a few office visits to your dermatologist.

2 Aug 2007

New oral acne medications work best

While laser and light-based therapies continue to make their mark on many dermatologic procedures, some dermatologists believe the tried-and-true oral medications for treating moderate to severe acne offer patients the best long-term treatment outcomes.

2 Aug 2007

Incidence of melanoma has steadily increased in the United States

From 1995 to 2004, melanoma has increased by more than 1 percent per year in this country – in sharp contrast to overall cancer rates that have steadily decreased by 0.6 percent per year during this time.

2 Aug 2007