30-80% of cases of male infertility are linked to damage caused by oxidative stress on sperm, and supplementation with antioxidants may improve sperm quality by reducing such stress. The authors considered 34 controlled clinical trials performed on a total 2876...
The effects of vitamin E status on the risk of prostate cancer may be modulated by genetic differences in enzymes that control oxidative stress, according to new research. Researchers investigated the associations between serum vitamin E (alpha- and gamma- tocopherols), their effect on oxidative stress regulation, and...
Long-term use of vitamin E supplements may be associated with a reduced risk of the motor neurone disease ALS, according to new research. The study analysed data from over one million people from five longitudinal cohort studies, and suggested an inverse association between dietary vitamin E...
The eye health benefits of lutein supplements may extend to protection against the damaging effects of strong light, suggest new findings from a Japanese study with mice. According to new findings, lutein may protect the DNA of photoreceptive cells in the retina from the harmful effects...
Daily supplementation with vitamin E may reduce the risk of chronic obstructive pulmonary disease (COPD) by about 10 per cent in women over 45. The potential beneficial effects were observed in both smokers and non-smokers. COPD can cause coughing taht produces large amounts of mucus (a slimy...
The stability of plant sterols in functional foods for cholesterol reduction is high, says a new study from Spain which adds to the safety data surrounding phytosterols. Tests with eight commercially available plant sterol-containing ingredients showed that, under oxidizing conditions, only a very small quantity of...
Improved heart health relates to reducing the risk of developing cardiovascular disease (CVD), coronary heart disease (CHD), and stroke. The major risk factors for these diseases are numerous, but include smoking habits, body weight, blood pressure, cholesterol levels, and physical exercise levels. Cholesterol is a...
Daily supplements of phytosterols were associated with a 20 percent reduction in LDL cholesterol levels in metabolic syndrome patients on a Westernized type diet. A daily 4 gram dose of plant sterols in an enriched yogurt was associated with a 20 percent drop in LDL...
Study shows high fiber rye bread enriched with plant sterols significantly reduces levels of lipids in blood serum. Consumption of a plant sterol-enriched rye bread for two weeks was associated with a 5 percent reduction in total cholesterol levels, and an 8 percent reduction in...
Isoflavones in the aglycone form – as found naturally in fermented soy foods – are more bioavailable than the glucoside-form from non-fermented soy, says a new study from Japan. Consumption of both types of isoflavone forms by healthy postmenopausal Japanese women showed that the aglycone-form...
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