Chemicals News and Research

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Ecstasy use down among America's youth

The Substance Abuse and Mental Health Services Administration's (SAMHSA's) just-released 2003 National Survey on Drug Use and Health (NSDUH) reports the number of current ecstasy users decreased between 2002 and 2003, from 676,000 (0.3 percent) to 470,000 (0.2 percent).

4 Nov 2004

Sensor protein that identifies DNA breaks and activates the p53 cell-death program has been identified

DNA breaks from radiation, toxic chemicals, or other environmental causes occur routinely in cells and, unless promptly and properly repaired, can lead to cancer-causing mutations.

4 Nov 2004

STAT3 protein could lead to new ways to prevent skin cancer

Scientists at The University of Texas M. D. Anderson Cancer Center have identified a protein that serves as a master regulator of skin cancer - a finding that could lead to new ways to prevent skin cancer before it starts.

4 Nov 2004

Reproductive hormones have effects on all of these stages of brain growth and development

Scientists are now uncovering increasing evidence that the brain not only responds to hormones produced by the reproductive system, but that these hormones-the so-called "female hormones," estrogen and progestin, and the "male" androgens, such as testosterone-play an important role in the development of differences between male and female brains.

2 Nov 2004

Marijuana-like compounds may aid Parkinson's disease, pain and obesity

No longer a pipe dream, new animal research now indicates that marijuana-like compounds can aid a bevy of debilitating conditions, ranging from brain disorders such as amyotrophic lateral sclerosis (ALS) and Parkinson's disease, to pain and obesity.

28 Oct 2004

Smoking shown to quell painful sensations and heighten positive emotions

Smokers often say that lighting up a cigarette can calm their nerves, satisfy their craving and help them relax.

28 Oct 2004

Researchers have identified a protein in the brain that halts the progression of Alzheimer's

Researchers have identified a protein in the brain that halts the progression of Alzheimer's disease in human brain tissue. The protein, known as "transthyretin," protects brain cells from gradual deterioration by blocking another toxic protein that contributes to the disease process.

25 Oct 2004

Can traditional Chinese medicine relieve symptoms of menopause

A woman experiencing the odd hot flush when glimpsing Brad Pitt decked out in his 'Troy' gear might be normal, but uncontrolled flushing because of menopause usually isn't so welcome.

25 Oct 2004

Allopurinol, a common gout drug may also offer some protection against colorectal cancer

A commonly prescribed drug used to treat gout may also offer some protection against colorectal cancer, according to a new study from researchers at the University of Michigan and in Israel.

25 Oct 2004

Microcrustaceans defeat dengue fever

Dengue fever causes 50 million infections annually in more than 90 countries; however this may soon become a thing of the past, as QIMR broadens its successful and totally environmentally-friendly mosquito-breeding control programs against dengue fever.

22 Oct 2004

Atypical antipsychotics commonly used to treat children with aggression, bipolar disorder, and schizophrenia may trigger insulin resistance

Researchers from the Johns Hopkins Children's Center say a group of drugs known as "atypical antipsychotics" that are commonly used to treat children with aggression, bipolar disorder, and schizophrenia may trigger insulin resistance, a condition that increases the risk of developing Type 2 diabetes and heart disease later in life.

21 Oct 2004

Global warming poses an increasingly sizeable threat to the continued existence of man

James Lovelock, atmospheric chemist and author of Gaia warns that the gravity of the situation facing Earth's inhabitants is greater than we have yet realized and accepted. Lovelock sets forth his predictions -- and proposed solutions -- in a commentary piece published this week in Atmospheric Science Letters.

21 Oct 2004

Brain protein called MC4R that plays a role in the urge to eat has now been found to influence appetite in a second way

A brain protein already known to play a central role in the "feast or fast" signaling that controls the urge to eat has now been found to influence appetite in a second way. The discovery identifies a potential new target for drugs against obesity.

19 Oct 2004

Air fresheners and aerosols can make babies and their mothers ill

The researchers found that frequent use of air fresheners and aerosols during pregnancy and early childhood was associated with higher levels of diarrhoea, earache and other symptoms in infants, as well as headaches and depression in mothers.

19 Oct 2004

Sister study that examines causes of breast cancer opens

A new study that will look at 50,000 sisters of women diagnosed with breast cancer opened today for enrollment across the United States. The Sister Study, conducted by the National Institute of Environmental Health Sciences (NIEHS), will investigate environmental and genetic causes of breast cancer.

18 Oct 2004

Single protein appears central to the formation of the long-term memories

Researchers at the National Institute of Child Health and Human Development have discovered that a single protein appears central to the formation of the long-term memories.

16 Oct 2004

Research shows brain cells move like a two-stroke engine

Following the often-quoted advice of Yogi Berra — "You can observe a lot by just watching" — Rockefeller University scientists show that nerve cells in the developing brains of humans and other mammals move in a two-part "step" led by a structure within the cell called the centrosome.

13 Oct 2004

Combination of computer science and biology could aid cancer research

The technique helps to show how cells modify their own genetic makeup and may allow cancer treatments to be tailored more precisely to a patient's disease.

11 Oct 2004

Signaling pathway could be a valuable target for future drug therapies against systemic lupus erythematosus

Medical investigators at the Hospital for Special Surgery have identified an important new signaling pathway they believe could be a valuable target for scientists to aim at with future drug therapies that might one day reverse diseases such as systemic lupus erythematosus, according to a recent article published in “Nature Immunology.”

11 Oct 2004

Researchers identify three new chemical risk factors for bladder cancer

Massachusetts Institute of Technology researchers and colleagues have identified three new chemical risk factors for bladder cancer in a study involving some 600 people in the Los Angeles area. The work was reported in the Oct. 6 issue of the Journal of the National Cancer Institute.

8 Oct 2004

Chemicals News and Research

Ecstasy use down among America's youth

Sensor protein that identifies DNA breaks and activates the p53 cell-death program has been identified

STAT3 protein could lead to new ways to prevent skin cancer

Reproductive hormones have effects on all of these stages of brain growth and development

Marijuana-like compounds may aid Parkinson's disease, pain and obesity

Smoking shown to quell painful sensations and heighten positive emotions

Researchers have identified a protein in the brain that halts the progression of Alzheimer's

Can traditional Chinese medicine relieve symptoms of menopause

Allopurinol, a common gout drug may also offer some protection against colorectal cancer

Microcrustaceans defeat dengue fever

Atypical antipsychotics commonly used to treat children with aggression, bipolar disorder, and schizophrenia may trigger insulin resistance

Global warming poses an increasingly sizeable threat to the continued existence of man

Brain protein called MC4R that plays a role in the urge to eat has now been found to influence appetite in a second way

Air fresheners and aerosols can make babies and their mothers ill

Sister study that examines causes of breast cancer opens

Single protein appears central to the formation of the long-term memories

Research shows brain cells move like a two-stroke engine

Combination of computer science and biology could aid cancer research

Signaling pathway could be a valuable target for future drug therapies against systemic lupus erythematosus

Researchers identify three new chemical risk factors for bladder cancer

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