Two PLOS Medicine studies link mole counts to breast cancer risk. Among 74,523 US nurses, women with 15 or more moles on one arm were 35 percent more likely to be diagnosed; in a French cohort of 89,902 women, those with the most moles had 13 percent higher risk.
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Disease
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Disease
higher risk of death is associated with warmer brain temperature
A NIDA study in rats found a moderate dose of MDMA that is typically nonfatal in cool, quiet conditions can be lethal in hot, crowded settings like those where people take the drug, because it interferes with temperature regulation.
Disease
Vascular risk factors linked to dementia
A Current Pharmaceutical Design review ties midlife weight extremes, untreated hypertension, type 2 diabetes and hypoglycemia episodes to later dementia, and credits regular exercise with protection. Evidence on smoking and statins remains conflicting.
Disease
Radiation for prostate cancer linked to secondary cancers, study finds
A University of Michigan analysis of 441,504 men with prostate cancer estimated that those given external beam radiation were 70 percent more likely to develop rectal cancer and 40 percent more likely to develop bladder cancer, though overall incidence stays low.
Disease
Stress degrades sperm quality
Men who reported more stress had lower sperm concentrations and more misshapen, poorly motile sperm, a Columbia and Rutgers study of 193 men found in Fertility and Sterility. The researchers say these deficits could be associated with fertility problems.
Disease
HIV Infection Among Asians in the United States and Dependent Areas
CDC reports Asians accounted for 2 percent, or 950, of an estimated 47,500 new U.S. HIV infections in 2010, with the rate falling from 10.4 to 8.4 per 100,000 since 2007. Male-to-male sexual contact accounted for 86 percent of 2011 diagnoses among Asian men.
Disease
New Public Service Campaign Uses Humor To Urge Men Over 50 To Check Their Skin For Skin Cancer
The American Academy of Dermatology released "Lawn," a television public service ad telling men who fuss over a spot on the lawn to check spots on their skin. Men over 50 face higher melanoma risk, and an Academy survey found men less likely than women to know how to examine their skin.
Disease
Always Tired? You May Have Sleep Apnea
Obstructive sleep apnea affects more than 12 million Americans, and left untreated it has been linked to high blood pressure, heart attacks, strokes, accidents and depression. FDA regulates the devices used to treat it, including CPAP and the newer Inspire stimulation system.
Disease
Type 2 diabetes mellitus boosts death risk of lung cancer
Among 1,978 lung cancer patients studied at the University of Tsukuba, those with small cell lung cancer and HbA1c above 8% were more likely to die than diabetic patients with lower levels. No link appeared between HbA1c and non-small cell lung cancer deaths.
Disease
Geography, Genetics and the Causes of Death
CDC's Muin Khoury writes that an MMWR report found at least a third of deaths from the five leading causes are potentially preventable, with the Southeast highest. He faults coverage that pitted zip codes against genetic codes, arguing both shape health.
Disease
Don't Get Burned: Protect Your Skin During Outdoor Activities
Dermatologists advise seeking shade between 10 a.m. and 2 p.m., covering up, and reapplying broad-spectrum SPF 30 sunscreen every two hours. To ease a burn: cool baths, moisturizer with aloe or soy, extra water, and no "-caine" products. Leave blisters alone.
Disease
Male circumcision reduces cervical cancer risk in women
Pooling 1,913 couples from seven case-control studies in five countries, researchers found circumcised men were 63% less likely to carry HPV. Monogamous women whose partners had six or more partners but were circumcised had 58% lower cervical cancer risk.
Disease
Obesity rate remains high in the U.S.
NHANES data on 9,120 people show 16.9 percent of 2- to 19-year-olds and 34.9 percent of adults were obese in 2011-2012, with no significant change from 2003-2004. Rates fell among 2- to 5-year-olds, 13.9 to 9.4 percent, and rose among women 60 and older, 31.5 to 38.1 percent.
Disease
Ischemic heart disease and sexual activity
A Current Cardiology Reports review says patients with ischemic heart disease should be evaluated before resuming sexual activity, calling it reasonable for those with no or mild angina who can exercise at 3-5 METS without symptoms, with stress testing where risk is unknown.
Disease
Fighting Allergy Season with Medications
The FDA has approved three sublingual prescription products, Grastek, Oralair and Ragwitek, for hay fever caused by certain grass pollens and short ragweed. Patients take the first dose in a provider's office, then at home. Allergic rhinitis affects over 30 million Americans.
Disease
Inactivity Related to Chronic Disease in Adults with Disabilities
A CDC Vital Signs report finds working-age adults with disabilities who get no aerobic activity are 50 percent more likely than active peers to have a chronic disease such as cancer, diabetes, stroke or heart disease. Only 44 percent who saw a doctor last year got an activity recommendation.
Disease
Use of antibiotics may raise colorectal cancer risk
In a Taiwanese diabetic cohort of 3,593 colon and 1,979 rectal cancer cases against 22,288 controls, intra-abdominal infection and antianaerobic antibiotic use were each linked to higher colorectal cancer risk. No dose-response appeared, and the authors call it a possible marker.
Disease
Diabetes treatment linked to high death risk in cancer patients
Using Danish registry data on cancers diagnosed between 1995 and 2009, researchers found patients with type 2 diabetes died sooner than those without, with the sharpest increases among those treated with insulin or oral hypoglycaemic drugs. The authors point to accompanying illness.
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