A study of 5,924 participants aged 43 to 84 found that dry eye developed in 13.3% over a five-year period, with significant associations with age, allergy or diabetes, and poorer health. Certain medications and lifestyle factors also showed protective effects.
Researchers at Duke University Medical Center have successfully reprogrammed human fat cells to become adult stem cells capable of forming bone, cartilage, and other cell types, providing a promising new approach for treating diseases such as osteoarthritis.
A Saint Louis University study finds that most Americans don't make the most nutritious choices due to unclear nutrition messages. The research suggests eating a variety of fruits and vegetables rich in vitamins A and C, betacarotene, and fiber reduces chronic disease risk.
A study published in the American Journal of Obstetrics and Gynecology found that nearly all women take prescription medications (92%) and self-medicate with over-the-counter medications (96.5%). Researchers also discovered potential drug interactions, including those between antidepressants and herbal supplements like St. John's wort.
A randomized trial found that high doses of folic acid, vitamin B6, and vitamin B12 did not lower the risk of recurrent stroke. However, moderate reduction in blood amino acid levels was associated with a lower risk of stroke, heart disease, and death.
A recent study found that high-dose vitamin therapy had no effect on preventing recurrent strokes and heart attacks. The VISP study involved 3,680 adults who received either a low or high dose of folic acid, B6, and B12 vitamins.
A study of 4,740 elderly residents found that combining individual vitamin E and C supplements reduced AD prevalence and incidence by significant margins. The researchers suggested that higher doses of these vitamins may offer protection against Alzheimer's disease when taken together.
A study of over 17,000 individuals found that regular use of vitamin E and C supplements, especially in combination, may lower the risk of developing Alzheimer's disease. While individual supplements showed no significant effect, multivitamins with higher doses of these vitamins offered some protection.
The new Standard Reference Material (SRM) 2385 contains pure spinach with certified concentrations of vitamins and antioxidants. Spinach is rich in beta-carotene and lutein, essential for healthy vision and eye health.
A study found that women taking high doses of vitamin D supplements were 40% less likely to develop multiple sclerosis. Vitamin D levels in the blood prior to onset of MS should be measured in future studies.
A recent study using MRI has found significant volume loss in the hippocampus, a key role player in memory functions, among patients with Korsakoff's syndrome and Alzheimer's disease. The study suggests that awareness of these clinical and radiological similarities can aid in early detection of each disorder.
Researchers found a positive association between high vitamin B12 levels and effective treatment of major depressive disorder. Patients with higher vitamin B12 concentrations responded better to treatment, even when other factors were controlled for.
A study of 5,197 participants found that those with diets high in vitamin C had a 30% lower stroke risk compared to those with low vitamin C intake. Smokers with high vitamin C intake were also significantly less likely to experience a stroke, with a reduced risk of over 70%.
A recent study suggests that daily vitamin supplements can reduce the risk of advanced age-related eye disease (AMD) by 25% and vision loss by 19%. Researchers estimate that 1.3 million adults may develop advanced AMD without treatment, highlighting the importance of regular retina exams.
The 2002 Annual Bibliography of Significant Advances in Dietary Supplement Research highlights recent studies on the role of antioxidants, vitamins, and minerals in managing various health conditions. The publication features a list of top 25 articles selected from over 350 original research papers.
A new study reveals that poor American families struggle to balance heating costs with nutrition during the cold season. Despite a 10% calorie reduction, researchers argue that this may not be as detrimental to health as previously thought.
A mandated food additive to combat high fetal development risks may inadvertently harm seniors due to low levels of vitamin B-12. The condition, which affects nearly half of US deaths annually, has been linked to cardiovascular diseases and mental confusion in some cases.
The US Preventive Services Task Force recommends against use of beta-carotene supplements for cancer or cardiovascular disease prevention due to lack of benefit and potential harm. Lawsuits involving human subjects research are increasing, leading to more careful research and increased costs, according to experts.
Researchers at USC developed synthetic enzymes that can combat oxidative damage, leading to improved memory in mice. The findings suggest these compounds may be more effective than traditional antioxidants in humans and could potentially treat various diseases with an oxidative component.
A study by Anoshua Chaudhuri found that a maternal and child health program in Bangladesh improved the health of grandmothers and great-grandmothers living with the targeted infants. The program increased women's Body Mass Index, indicating healthier adults, and freed up family resources for other household members.
A recent meta-analysis has found that vitamin E and beta carotene supplements do not reduce the risk of cardiovascular disease or death. The analysis analyzed data from seven trials involving over 1000 participants, concluding that these supplements may even increase mortality rates.
Bruce Lipshutz's patented method uses transition metal catalysts to produce CoQ10 efficiently, targeting cancer, Parkinson's, and Huntington's diseases. The process reduces costs by using inexpensive ingredients and minimizing production steps.
A well-planned vegetarian diet provides numerous health benefits, including lower intakes of saturated fat and cholesterol. Vegetarians tend to have healthier body weight, lower rates of heart disease, high blood pressure, type 2 diabetes, prostate cancer, and colon cancer.
A new randomized study found that beta-carotene supplementation increased cancer risk in smokers and drinkers, while decreasing risk in non-smokers and non-drinkers. The study's findings highlight the complexity of designing safe and effective chemopreventive strategies for any cancer.
A new study found that beta-carotene supplementation increased colorectal adenoma recurrence risk among smokers and heavy drinkers. Randomized trials showed a significant decrease in adenoma recurrence risk without smoking or drinking, but paradoxical results when exposed to these lifestyle factors.
Researchers found that mixed-diet eaters had higher intakes of essential nutrients like calcium and fiber. The study suggests that people don't have to feel guilty about eating favorite foods as long as they maintain a balanced diet and regular physical activity.
The article discusses the relationship between natural and synthetic substances in relation to human health. Key findings include the difficulty of synthesizing complex natural compounds and the potential for modification by synthetic chemists to enhance medicinal properties.
Researchers found B-vitamins to be effective in treating various painful conditions, including neuropathic pain. The study suggests that B1, B6, and B12 inhibit chemical- and heat-induced pain and activate the cGMP-PKG signaling pathway, which contributes to their analgesic effects.
Researchers have successfully transformed mouse stem cells into heart muscle cells using vitamin C, a breakthrough that could lead to new treatments for heart failure. The study found that the cells exhibited cardiac myosin and actin, and beat spontaneously, suggesting a potential path forward for clinical applications.
A recent pilot study published in the American Journal of Geriatric Psychiatry found that high-dose vitamins can reduce homocysteine levels in individuals with mild to moderate Alzheimer's disease. The multicenter trial, known as Vital, aims to determine if these vitamins can slow the progression of the disease. Researchers are optimis...
A new study published in the Journal of the American Dietetic Association found that children and adolescents who eat family meals consume more nutrient-dense foods and have lower intakes of snack foods. Family meals also provide quality time for households, according to registered dietitian Susan Moores.
A new study published in Breast Cancer Research found that higher levels of egg consumption during adolescence are associated with a decreased risk of breast cancer. Eating dietary fiber and vegetable fat was also attributed to a reduced risk, while butter appeared to increase the risk.
The American Academy of Neurology has launched a new online section providing patients and caregivers with practical health care information on various neurological conditions. The Patient Page section aims to give the public access to accurate and reliable information through articles written by practicing neurologists.
Research suggests that high intake of unsaturated fats may be protective against AD, while saturated and trans-unsaturated fats increase risk. Additionally, studies found no association between antioxidant vitamin intake and reduced AD risk.
A significant body of evidence suggests that folic acid supplements have no association with an increased likelihood of having a multiple birth. In this large-scale Chinese study, around 240,000 women who used daily folic acid supplements did not show a higher rate of multiple births compared to those who did not use supplements.
A UC Irvine study found that adding antioxidants to insulin therapy can improve its ability to reduce blood sugar and prevent organ damage. Treating rats with insulin alone only partially succeeded, but vitamins C and E spared sugars, proteins, and nitric oxide from attack.
Research reveals a strong link between poor amino acid breakdown and increased heart disease risk. Folic acid supplementation shows promise in reducing homocysteine levels and associated cardiovascular disease.
Research suggests that taking dietary supplements of L-arginine and antioxidants like vitamins C and E may lower the risk of atherosclerosis and heart disease. The treatment reduced inflammation and increased production of eNOS, a molecule that prevents blood clots.
A recent study found that over 75% of participants took supplements regularly, with women using more supplements overall and men with medical conditions taking more supplements. The study suggests that healthcare providers need to educate patients on safe supplement use to prevent potential harm.
A study published in the Journal of the American Dietetic Association found that children's consumption of 100 percent real juice flat-lines at age 7, while intake of fruit-flavored beverages increases. By age 13, they are drinking nearly four times more carbonated soft drinks than 100 percent juice.
A French study found that men have higher tHcy levels than women overall, while coffee consumption in women has a significant impact on tHcy concentrations. Conversely, caloric intake and physical activity levels in men play a crucial role in determining tHcy levels and CVD risk.
A large clinical trial found that hormone replacement therapy did not reduce the progression of coronary disease in postmenopausal women, while high-dose antioxidant vitamins may even increase mortality risk. The study used angiography to assess the effects of hormone therapy and antioxidants on cardiovascular health.
A study by Cornell University professor Michael C. Latham shows that a fortified orange drink improves iron and vitamin A status, reducing anemia risk by 51% in pregnant Tanzanian women. The supplement is also found to improve breast milk vitamin A levels and has potential to boost nutrition worldwide.
A large cohort study found that high dietary vitamin E intake was associated with a significantly lower risk of developing Parkinson's disease. However, the use of vitamin E or C supplements and multivitamins showed no protective effect on Parkinson's risk. The results suggest that other lifestyle factors may also play a role in reduci...
Sporn's groundbreaking research on chemoprevention has revolutionized the field of cancer prevention, exploring novel approaches to prevent or treat cancer. His work has led to strategies with vast potential for reducing cancer incidence and death, and continues to inspire new directions in cancer prevention research.
Researchers from Leiden discovered that vitamins C and E can prevent breathing problems in patients after surgery by reducing the impact of sedatives and painkillers. The study found that stress and pain play a significant role in maintaining alertness, which may help counteract breathing issues.
A study found that nearly all patients with cancer reported improved well-being from using alternative therapies, but used these therapies primarily for general health, not as a substitute for conventional medicine. Cancer patients who were female, college-educated, or younger were more likely to use alternative treatments.
A study of 307 southern Italian women found that low vitamin E intake is associated with atherosclerotic plaques in the carotid arteries, which are sites where early atherosclerosis begins. Vitamin E intake from legumes, vegetables, and olive oil may help prevent cardiovascular disease.
A recent study published in JAMA found that ginkgo biloba provides no measurable benefit in memory, attention, or concentration in healthy older adults. The study, conducted by researchers at Williams College, tested the effects of ginkgo on memory and cognitive function in 230 volunteers over 60.
A study of Puerto Rican women found that their level of satisfaction with obstetrical care is significantly influenced by institutional settings, medical staff characteristics, and the continuity of care. Latino physicians are culturally sensitive, but their ethnicity does not affect patient satisfaction.
A population-based study suggests that a diet high in foods containing vitamin E may help protect against Alzheimer's disease, with the most significant protective effect found among those with the lowest dietary vitamin E intake. The study also found no association between vitamin E supplements and reduced risk of AD.
Students from Middle Atlantic states won a science essay contest with articles on shrinking doctors to nanobot size, genetically modified healthy chocolate, and new materials that can smell. The winners received $300 US Savings Bonds in each category.
Researchers at the University at Buffalo found that consuming a high-fat meal causes an increase in inflammatory components in the blood. However, taking antioxidant vitamins E and C before consumption can nullify this effect.
Research suggests that high homocysteine levels are related to brain atrophy, with elderly individuals experiencing greater loss of brain cells and volume. Additionally, elevated homocysteine levels have been found to be associated with a higher risk of vascular disease in both healthy and Alzheimer's patients.
A six-month intervention increasing fruit and vegetable intake lowered blood pressure and boosted antioxidant levels in UK participants. The study found a significant association between higher fruit and veg consumption and lower cardiovascular disease risk, similar to previous findings from the DASH trial.
A study published in the American Journal of Clinical Nutrition found that high levels of homocysteine correlate with lower cognitive test scores and decreased cognitive function in the elderly. Higher plasma concentrations of folate and B-12 were associated with improved cognitive performance.
A recent study found significant dietary deficiencies in African American females with low incomes, particularly in folate, iron, calcium, and vitamin D. The study also highlighted excessive energy intake and high levels of saturated fats. To address these concerns, nutrition education is essential to promote healthier eating habits.
Researchers found that chokeberry extract can protect coronary arteries from oxidant injury, while bilberry extract provides partial protection. The study suggests that individual components in berries may be responsible for their vascular effects.
A study by UC Berkeley's Bruce N. Ames found that megavitamin therapies can effectively treat over 50 genetic diseases, mostly rare metabolic disorders due to defective enzymes. High-dose vitamins, particularly B vitamins like niacin and thiamine, may also improve metabolism in older populations.
A new study suggests that taking supplements of both vitamins C and E can significantly reduce coronary arteriosclerosis in heart transplant patients. After one year, the group receiving antioxidants showed little to no thickening and narrowing of their coronary arteries, while those receiving a placebo experienced significant changes.