Those phytochemicals ? natural plant-based compounds that give fruits and vegetables a reputation as healthy food ? could be unhealthy if consumed in high doses in dietary supplements, teas or other preparations, scientists in New Jersey have concluded after a review of studies on the topic.
There is no evidence that antioxidant supplements interfere with the therapeutic effects of chemotherapy agents, according to a recent systematic review of the use of antioxidants during chemotherapy, available in the May, 2007 issue of the peer-reviewed journal Cancer Treatment Reviews.
Americans consume more than $4 billion worth of St. John?s wort, echinacea, Ginkgo biloba and other herbal products each year in hopes of improving their health, memory and even their sex lives. But are these products effective, or even safe?
Extended bed rest ? often necessary during hospitalization ? leads to a substantial amount of muscle deterioration in older adults, researchers at the University of Arkansas for Medical Sciences (UAMS) report in the April 25 issue of the Journal of the American Medical Association.
So much for the adage, ‘All things in moderation.’ Researchers at the University of Calgary have found that people who consume a single, high-fat meal are more prone to suffer the physical consequences of stress than those who eat a low-fat meal.
A recent study has revealed that Vitamin C from dietary sources, but not from supplements, is associated with a reduced risk of oral pre-malignant lesions in men.
Researcher Dr. Susanne Mertens-Talcott of Texas A&M University is looking into how plant-based phytochemicals, including antioxidants and herbal supplements, can be useful in the promotion of health and prevention of chronic diseases.
New methods and tools for measuring exposure to airborne engineered nanomaterials will be required to protect the health of workers in nanotechnology-related jobs — estimated to total 10 million people by 2014 — according to two occupational health experts writing in the inaugural issue of the journal Nanotoxicology.
A type of omega-3 fatty acid may slow the growth of two brain lesions that are hallmarks of Alzheimer’s disease, UC Irvine scientists have discovered. The finding suggests that diets rich in docosahexaenoic acid (DHA) can help prevent the development of Alzheimer’s disease later in life.
Researchers from University of Berne in Switzerland revealed that dietary supplement chondroitin not helpful at easing the hip and knee pain of arthritis.