University of Kiel researchers found a gene on chromosome 9 in both 1,097 heart disease patients and 151 gum disease patients, which they say shows how the two conditions are linked. Study leader Arne Schaefer urges people with periodontitis to seek treatment early.
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Health News
Drugs, disease, healthcare, government and lifestyle: health news beyond the plate.
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Lifestyle
Is detoxing necessary to a healthy lifestyle?
Mintel counted 54 new detox products in 2008. The Cleveland Clinic's Tanya Edwards says changing your diet accomplishes the same thing far less drastically, and a Navy internist quoted here calls the industry close to fraud; most regimens act as laxatives.
Miscellaneous
Health - Happiness Link found
A University of Kansas and Gallup World Poll study of more than 150,000 adults in over 140 countries found positive emotions tracked with better physical health even among people whose basic needs were unmet. Ireland ranked most optimistic; the United States came 10th.
Healthcare
Medical treatment vs medical freedom
Daniel Hauser, 13, who has Hodgkin's lymphoma and refuses chemotherapy citing religious beliefs, missed a court hearing on his welfare. A Minnesota judge issued an arrest warrant for his mother Colleen and ordered the boy into foster care and to a pediatric oncologist.
Miscellaneous
Industry changing credit card bill passes the House
A credit card bill passed the House 90-5. It would make applicants under 21 prove they can repay or find a co-signer, bar rate increases until a payment is 60 days late, hold promotional rates for six months and end fees for online and phone transactions.
Disease
Rapid weight loss may be predictor of dementia
A Neurology study tracked 1,836 Japanese-Americans averaging 72 years old for eight years; 129 developed dementia, and those with lower BMI at the outset were 79% more likely to become ill. An earlier study had found the pre-dementia weight loss only in women.
Miscellaneous
Potential breakthrough for low birth weight babies
Andean women deliver more oxygen through the uterine artery to their fetuses at high altitude than women of European descent, and their babies weigh about 9 ounces more. The findings may help doctors treat pregnancies complicated by poor fetal growth.
Disease
Childhood obesity linked to stress
An Iowa State study of 1,011 low-income adolescents aged 10 to 15 in Boston, Chicago and San Antonio found 47 percent were overweight or obese, rising to 56.2 percent among those facing four or more stressors such as poor grades, aggression, or drug and alcohol use.
Disease
Swine flu continues to spread
The CDC counted 4,714 confirmed H1N1 cases and four deaths across 47 states, and three Queens schools closed. New York's health commissioner said the virus seems to spread faster than seasonal flu but does not appear more severe. WHO reported 7,520 cases in 34 countries.
Disease
Cytokine storms chief concern in current flu pandemic
With swine flu in 47 states, the piece explains why healthy young adults appear especially vulnerable: a cytokine storm, in which the immune system overreacts and roughly 150 inflammatory mediators release at once, as researchers believe happened in the 1918 Spanish flu.
Drug
Post-surgical radiation treatment increases risk of recurrence of breast cancer
Dutch researchers tracked women irradiated after breast surgery between 1970 and 1986. Those treated at 45 or younger were more likely to develop cancer in the other breast, with the risk climbing sharply under 35, and lumpectomy patients fared worse than mastectomy patients.
Disease
One cough equals 20,000 viruses
Researchers at Singapore's National University Hospital estimate that a single cough produces about 3,000 airborne droplets carrying roughly 195 to 19,500 influenza viruses. The CDC advises covering coughs with a tissue, or the upper sleeve rather than the hands.
Drug
HRT confirmed to increase heart attack risk in women
US heart attacks have fallen since the 2002 Women's Health Initiative warning drove HRT use among women aged 50-59 from 30 percent to under 15 percent, by RAND's count 25 fewer per 10,000 a year. Cardiologist Nieca Goldberg says it is premature to credit HRT's decline alone.
Drug
Acupuncture effective in treating back and joint pain
In a 638-patient trial led by Daniel Cherkin, both real acupuncture and a toothpick sham beat usual care for chronic back pain, and the two groups improved equally. A German knee arthritis study found 50 percent improved with needling versus 40 percent with sham.
Drug
Rogue genes may help high blood pressure treatment
Two British studies in Nature Genetics identified 13 genes linked to blood pressure, some affecting salt levels and others the relaxation of blood vessels. Researchers say the variants, carried by almost half the population, could raise heart attack risk by over 20 percent.
Lifestyle
Massage after exercise impairs blood flow
Queen's University researchers report that massage after exercise impairs blood flow to the muscle and so hinders lactic acid removal, the opposite of what physical therapists commonly assume. They call theirs the first study to rigorously test the claim.
Disease
Kidney disease may raise cancer risk
Australian researchers tracked 3,049 people aged 49 to 97 for a decade and found 23 per 1,000 men with chronic kidney disease developed lung or urinary tract cancer, against 17 per 1,000 without it. The association did not appear in women.
Disease
Taiwan confirms 2 cases of swine flu
Taiwan's Disease Control and Prevention Administration reported two H1N1 cases on May 11: a 39-year-old woman and her 21-month-old daughter who arrived from the United States on May 5. Both were isolated in Taipei, and nine other people were under medical observation.
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