According to the American Cancer Society
But study didn't prove a cause-and-effect relationship
Prenatal supplements may help reduce harms of pesticide exposure, study suggests
But no large studies prove the inexpensive pill slows age-related macular degeneration, eye expert says
Increased odds only seemed to affect men or male smokers, study suggests
Modest changes in approach to malnutrition tied to shorter hospital stays, researchers say
Children under age 6 most often affected, study finds
Benefits of breast-feeding might have overshadowed any potential protective effects, doctors suggest
Study suggests most fish may play role in controlling symptoms
Study finds more people are exceeding the upper daily limit of what is considered safe
Analysis of 19 trials turned up little proof they actually work; more definitive research needed
Could fiber or chondroitin ease arthritis?
High-dose supplements failed to improve exercise capacity, study says
These supplements probably won't protect you from eczema or allergies either, researchers say
Resveratrol supplements appeared to aid those with the stiffest blood vessels in small study
Small study suggests vitamin B might help, but reducing pollution levels remains the priority
Study found no preventive benefit, but more research might still be warranted
Taking triple the daily recommendation didn't lower risk in older women, but larger trials are underway
No intellectual benefits seen at age 7, researchers say
Brain expert says it's unlikely that any one nutrient would be a 'silver bullet'
Researchers look to nutrients to offset temporary brain-chemical changes in new mothers
But review does not find it can help prevent heart problems
Study finds amount can vary widely depending on the brand of sleep aid, with implications for health
Vegetable juices, coconut oil have downsides, and gluten-free makes little difference in those without the sensitivity, study finds
Melatonin content of supplements may not be as advertised, study finds.
People with higher 'active' levels of the vitamin in the bloodstream had more muscle mass, study finds
Too few Americans aware of modifiable heart disease risk factors, such as blood pressure and weight
Women of childbearing age should take 400 to 800 micrograms daily, task force recommends
Major medical associations advise against use of creatine by kids
High doses linked to 30 percent drop in children's odds of developing the airway disease, study finds
Perhaps, but researchers aren't ready to recommend routine supplementation during pregnancy
Study found higher blood levels of fatty acids were linked with lower blood pressure
Supplements should only be given to pregnant women with low iron levels, diabetes expert suggests
Calcium supplements within recommended levels should be considered safe for healthy adults, according to new study.
Other physicians urge caution, however, and say these findings aren't conclusive
How many American adults now take vitamins and supplements?
Vitamin D, fish oil are in, multivitamins less so, study finds
Taking multiple medications and supplements could cause serious problems, FDA warns
Canadian study found that structural problems saw biggest declines
Babies conceived in winter more apt to have learning problems and vitamin D might play a role, study finds
Finding even more pronounced if blood flow to brain has been affected, study suggests
Researchers suggest it might offer alternative to current treatment that has side effects
Taking omega-3 fatty acids after heart attack helps improve function and reduce scarring, study finds.
Study found improved heart function, less scarring
Having the optimal amount of this mineral in your body helps reduce blood pressure, study finds.
Unregulated products can harm health, U.S. pediatricians' group warns
Adolescents are using performance-enhancing supplements to improve their appearance, study finds.
But researchers stress that women should not throw away their supplements
FDA has warned makers of 8 products containing oxilofrine, or methylsynephrine
Researchers say patients should tell doctors every treatment they're taking