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Lab study shows THC exposure as adolescents linked to negative effects of THC as adults

In earlier studies, researchers at Louisiana State University had found that estrogen - or more precisely, having ovaries - made adult rats exposed for the first time to THC, the primary ingredient in marijuana and hashish, less sensitive to THC's negative effects on tests of learning and memory.

20 Apr 2009

Research shows how p53 mutations link to high-grade breast cancer, poor outcomes

In what is believed to be the largest study of its kind in the US, researchers have found that almost 26 percent of women studied who have breast cancer have mutations in a gene important in controlling cell growth and death, and that patients with mutations in this gene - known as p53 - had poorer outcomes including a significantly increased risk of death from the cancer.

20 Apr 2009

Keeping fit good for the environment

Maintaining a healthy body weight is good news for the environment, according to a study which appears today in the International Journal of Epidemiology.

20 Apr 2009

Naltrexone appears to relieve fibromyalgia pain

For Tara Campbell, the onset of her fibromyalgia began slowly with repeated sore throats, fevers and fatigue.

20 Apr 2009

Key genetic mechanism a potential key to new class of antibiotics

Researchers have determined the structure of a key genetic mechanism at work in bacteria, including some that are deadly to humans, in an important step toward the design of a new class of antibiotics, according to an accelerated publication that appeared online today as a "paper of the week" in the Journal of Biological Chemistry.

20 Apr 2009

Menstrual cycle affects knee joints

New research from the Faculty of Kinesiology at the University of Calgary has found a connection between the laxity of a woman's knee joint and her monthly hormone cycle.

20 Apr 2009

Early isolation linked to enhanced response to cocaine

Drug addiction affects millions of people around the world, causing numerous problems ranging from emotional and psychological difficulties to physical and health issues.

20 Apr 2009

Treatment with biphosphonates may prevent radiation-induced leukemia

Treatment with biphosphonates could prevent radiation-induced leukemia, according to data presented at the American Association for Cancer Research 100th Annual Meeting 2009.

20 Apr 2009

Exercise during pregnancy need not require stealing time from other activities

No one doubts that mothers - especially pregnant mothers - are among the busiest people on earth.

20 Apr 2009

Could senna improve the quality of colonoscopy preparation with magnesium citrate?

Inadequate cleansing of the colon has an adverse effect on procedure time, safety, completion rate and diagnostic accuracy.

20 Apr 2009

The effects of maternal exercise on fetal breathing movements

Exercise has many benefits for adults, teens, and youngsters. It is less clear what benefit, if any, exercise may have during fetal growth during gestation.

20 Apr 2009

Coffee, caffeine and amyotrophic lateral sclerosis

Amyotrophic lateral sclerosis (ALS) is a fatal disease that damages key neurons in the brain and spinal cord.

20 Apr 2009

Brain metastases hijack neuron-supporting cells to resist chemotherapy

Cancer that spreads to other organs finds a particularly inviting hideout in the brain, where these metastases are usually far harder to treat than they are in other locations.

20 Apr 2009

Computational model examines the pathways of Alzheimer's that strikes at the young

Alzheimer's disease (AD) is a tragic disease that robs an individual of their memory and mental capacity.

20 Apr 2009

Thymoquinone inhibits the development of pancreatic cancer

An herb recently found to kill pancreatic cancer cells also appears to inhibit development of pancreatic cancer as a result of its anti-inflammatory properties, according to researchers from the Kimmel Cancer Center at Jefferson.

20 Apr 2009

Mammalian alpha-fetoprotein affects the development of rat colons

Mammalian alpha-fetoprotein (AFP) is a single-chain glycoprotein and altered serum AFP levels have been observed concurrent with aberrant growth manifestations in some congenital defects and cancer.

20 Apr 2009

Addition of dasatinib to standard chemo cocktail may enhance effect in certain ovarian cancers

The addition of a chemotherapeutic drug for leukemia to a standard regimen of two other chemotherapy drugs appears to enhance the response of certain ovarian cancers to treatment, according to a pre-clinical study led by researchers in the Duke Comprehensive Cancer Center.

20 Apr 2009