Dr. Mercola notes migraines affect more than 37 million Americans and about 13 percent of people worldwide, reaching 15 to 18 percent of women against 6 to 7 percent of men, and remain poorly understood, with neurological symptoms that can mimic a stroke.
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Disease
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Disease
Mood is Influenced by Immune Cells Called to the Brain in Response to Stress (PR)
Ohio State researchers report that in mice, prolonged stress prompts the brain to signal bone marrow to send monocytes, which gather in the prefrontal cortex, amygdala and hippocampus, inflame tissue without damaging it, and produce anxiety-like behavior.
Disease
The Definition of “Cancer” May Be Narrowed to Prevent Overtreatment of Harmless Tumors
The National Cancer Institute has proposed narrowing the definition of cancer so that lesions which would never grow or spread are not labelled as such. Otis Brawley of the American Cancer Society told NPR that better imaging means some such lesions are now treated unnecessarily.
Disease
Documentary: Rise of the Superbugs
The documentary Rise of the Superbugs traces antibiotic resistance, including NDM-1, a gene first found in India that resists carbapenems and at least 14 other antibiotics. NDM-1 bacteria have turned up in New Delhi drinking water and in patients in more than 35 countries.
Disease
High Blood Sugar Levels Linked to Dementia
Following 2,067 people aged 65 and older for an average of 6.8 years, researchers found higher blood glucose linked to greater dementia risk: an average of 115 mg/dl carried a 15% higher risk than 100 mg/dl. The increased risk showed up even in people without diabetes.
Disease
Drug to Treat Alzheimer's Proves Dangerous
A phase 3 trial randomized 1,537 people with probable Alzheimer's to placebo or 100 or 140 milligrams of semagacestat. Cognition and function worsened in all groups and worst on the drug, whose recipients also lost more weight and had more skin cancers. The trial ended early.
Disease
Cancer Stats for Asian American Population
Cancer Prevention Institute of California researchers analyzed 1990-2008 incidence data covering 54 percent of Asian Americans, the first national look at the eight largest groups. Prostate cancer led among men and breast cancer among women, but rates diverged sharply by group.
Disease
Non-melanoma skin cancer patients have low risk for Alzheimer's disease
In the Einstein Aging Study of 1,102 adults averaging 79 years, people with non-melanoma skin cancer had an 80% lower risk of developing Alzheimer's alone after adjustment for other conditions. No link appeared with all-cause dementia, and the reason is unknown.
Disease
Rheumatoid arthritis linked to type 2 diabetes mellitus
In a Taiwanese study of 600,695 adults, men with rheumatoid arthritis were 68 percent and women 46 percent more likely to be diagnosed with type 2 diabetes than healthy people. Of the 4,193 patients with rheumatoid arthritis, 799 developed diabetes.
Disease
Brain Health Conference: Last Chance to Register
An invitation to PCRM's International Conference on Nutrition and the Brain on July 19-20 in Washington, D.C., where speakers cover diet, exercise and sleep in Alzheimer's disease, multiple sclerosis and Parkinson's disease.
Disease
High insulin-like growth factor I (IGF-I) linked to breast cancer
A 1998 Lancet study within the Nurses' Health Study found premenopausal women in the highest IGF-I quintile were 133% more likely to develop breast cancer than those in the lowest; among women under 50 it was 358%. No link appeared after menopause.
Disease
Insulin-like growth factor IEc linked to prostate cancer
Michael Koutsilieris and colleagues assayed prostate specimens from 83 patients and found 82 positive for IGF-IEc, while normal tissue showed little or no expression. Expression tracked weakly with Gleason score, running higher in locally advanced than localized cancer.
Disease
Overweight/obesity linked to premenopausal ER- breast cancer
Among 1,390 breast cancer patients analyzed in a study in Tumori, premenopausal women with a BMI of 25 or higher tended toward estrogen receptor-negative tumors, though BMI at diagnosis was not associated with tumor type among women overall.
Disease
Healthy immunity protects against cervical cancer
A review in Expert Review of Anticancer Therapy argues weakened immunity, not HPV alone, drives the risk: women with AIDS, transplant patients on immunosuppressants, and those with end-stage renal or autoimmune disease face higher risk. Smoking is the biggest behavioral factor.
Disease
Risk factors for Parkinson's disease, and what you can do to prevent the disease
A list of Parkinson's risk factors with the mechanisms proposed for each: rising risk with age, higher risk in men, farmers and people with occupational pesticide exposure, where studies show a three-fold increase, alongside apparently lower risk with tobacco and caffeine.
Disease
Does Cracking Your Knuckles Cause Arthritis?
The featured research found no significant link between knuckle-cracking, including its total duration and cumulative exposure, and osteoarthritis in the hand. Mercola still advises against habitual joint cracking, which he has argued can leave ligaments lax.
Disease
Coronary artery calcium buildup linked to heart attack, death risk
Among 6,778 people aged 45 to 84 who were free of coronary heart disease at baseline, those whose coronary artery calcium kept building were more than six times as likely to have a heart attack or die of heart disease, Harbor-UCLA researchers report.
Disease
Breast cancer news: Hormone therapy users more likely to die from breast cancer, all causes
In a Journal of the National Cancer Institute study, women on estrogen plus progestin had 55 percent higher breast cancer incidence over a mean 11.3 years, with the excess greatest among those who started the therapy close to menopause.
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