ScienceDaily: Health & Medicine News

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• 'First step' to perfect drug combinations
• Complexities of DNA repair discovered
• Cardiac rehabilitation: Even minor fitness improvements are associated with decrease in mortality, especially in the least fit
• E-counseling shows dramatic results in lowering blood pressure; Online tool motivates patients to maintain a healthier lifestyle
• Female shift workers may be at higher risk of heart disease
• Billions of dollars at stake as Canada comes to grips with soaring heart failure costs
• Exceptional cognitive and physical health in old age leaves immunological fingerprint, study finds
• Children with certain dopamine system gene variants respond better to ADHD drug
• Feed a cold -- starve a tumor
• Elevated hormone levels add up to increased breast cancer risk, research finds
• Biggest ever study shows no link between mobile phone use and tumors

'First step' to perfect drug combinations Posted: 23 Oct 2011 10:56 AM PDT Scientists have discovered a way of speeding up the creation of perfect drug combinations, which could help patients recovering from critical health problems such as stroke, heart attacks and cancer.

Complexities of DNA repair discovered Posted: 23 Oct 2011 10:56 AM PDT Scientists have discovered that DNA repair in cancer cells is not a one-way street as previously believed.

Cardiac rehabilitation: Even minor fitness improvements are associated with decrease in mortality, especially in the least fit Posted: 23 Oct 2011 10:56 AM PDT Cardiac rehabilitation boosts longevity, especially in patients with the lowest fitness levels, according to new research.

E-counseling shows dramatic results in lowering blood pressure; Online tool motivates patients to maintain a healthier lifestyle Posted: 23 Oct 2011 10:56 AM PDT E-counseling can significantly lower blood pressure, improve lifestyle and enhance quality of life, according to new research.

Female shift workers may be at higher risk of heart disease Posted: 23 Oct 2011 10:56 AM PDT Women hospital staff working night shifts may be compromising their own health as they try to improve the health of patients, according to new research. A recent study investigated the connection between shift work and risk factors for heart disease in female hospital employees who worked both shift and non-shift rotations.

Billions of dollars at stake as Canada comes to grips with soaring heart failure costs Posted: 23 Oct 2011 10:56 AM PDT Heart failure (HF) costs are headed for the economic stratosphere, even as researchers come up with simple tests and strategies to bring them back to earth. An assessment of the growing problem and a new initiative to curb costs and increase efficacy in dealing with heart failure patients when they present to emergency departments were the subject of two major studies presented at the Canadian Cardiovascular Congress 2011.

Exceptional cognitive and physical health in old age leaves immunological fingerprint, study finds Posted: 21 Oct 2011 09:58 AM PDT Exceptional cognitive and physical function in old age leaves a tell-tale immunologic fingerprint, say researchers. Likewise, older adults who have mild impairments bear a distinct immunologic pattern, according to new findings.

Children with certain dopamine system gene variants respond better to ADHD drug Posted: 21 Oct 2011 09:55 AM PDT Children with certain dopamine system gene variants have an improved response to methylphenidate -- the most commonly prescribed medication for attention deficit hyperactivity disorder, according to new research. The finding that could help eliminate the guesswork from prescribing effective medications for children with ADHD.

Feed a cold -- starve a tumor Posted: 21 Oct 2011 04:47 AM PDT The condition tuberous sclerosis, due to mutation in one of two tumor suppressor genes, TSC1 or TSC2, causes the growth of non-malignant tumors throughout the body and skin. New research shows that the growth of glucose-dependent TSC-related tumors can be restricted by 2-deoxyglucose, which blocks glucose metabolism, but not by restricting dietary carbohydrates.

Elevated hormone levels add up to increased breast cancer risk, research finds Posted: 21 Oct 2011 04:47 AM PDT Post-menopausal women with high levels of hormones such as estrogen or testosterone are known to have a higher risk of breast cancer. New research looked at eight different sex and growth hormones and found that the risk of breast cancer increased with the number of elevated hormones -- each additional elevated hormone level increased risk by 16 percent.

Biggest ever study shows no link between mobile phone use and tumors Posted: 20 Oct 2011 04:18 PM PDT There is no link between long-term use of mobile phones and tumors of the brain or central nervous system, according to new research. In what is described as the largest study on the subject to date, Danish researchers found no evidence that the risk of brain tumors was raised among 358,403 mobile phone subscribers over an 18-year period.

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