MRI Reduces Interval Breast Cancers in Dense Breasts

A randomized clinical trial reports that for women with extremely dense breasts, supplemental screening with magnetic resonance imaging (MRI) can reduce the incidence of interval breast cancers­­, those detected within 12 months of a mammography in which findings are considered normal. Extremely dense breast tissue increases the risk of breast cancer, but it also increases the chances that cancer will be missed on a mammogram. While federal law requires the reporting of breast density in ma...
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Does Marijuana Use Increase Cancer Risk?

Nearly half of adults have used marijuana at some point in their lives, and rates are increasing; among young adults, marijuana usage doubled from 10.5% in 2002 to 21.2% in 2014. Given this widespread usage, the question of marijuana-associated cancer risk is an important one, and it is the subject of a systematic review and meta-analysis now published in JAMA Network Open . Marijuana smoke and tobacco smoke share a number of carcinogens. In addition, tetrahydrocannabinol, marijuana's primary ps...
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The Deadly Consequences of Fine Particle Air Pollution

A new study finds an association between fine particulate matter (PM 2.5 ) air pollution and deaths from nine different causes, including cardiovascular disease, cerebrovascular disease, hypertension, dementia, and lung cancer, among others. Furthermore, 99% of PM 2.5 -associated deaths were linked to levels of PM 2.5 exposure currently deemed acceptable by US Environmental Protection Agency (EPA) recommendations. Atmospheric particulate matter with a diameter of less than 2.5 micrometers, PM 2....
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How Should Familial Risk Impact Breast Cancer Screening?

​ A new study has utilized data to determine the ages at which women with various degrees of familial history of breast cancer should begin screening.  Breast cancer is a serious public health concern that accounts for 15% of all cancer deaths in women. The earlier it is caught, the more effectively it can be treated. But when should screening begin? Different guidelines offer varying opinions. The International Agency for Research on Cancer (IARC) and the US Preventive Services Task Force ...
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Microvascular Endothelial Dysfunction Predicts Solid Tumor Cancer Risk

Microvascular endothelial dysfunction (MED), which is characterized by damage to the walls of small arteries in the heart, limiting the regulation of oxygen and blood supply, serves as an effective predictor of cardiovascular disease. In addition, a recent study reports, MED significantly increases an individual's risk of developing solid-tumor cancer. In a study now published in the European Journal of Preventive Cardiology, Amir Lerman, MD, the Director of Cardiovascular Research at Mayo Clini...
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