Does Fish Oil Really Raise Prostate Cancer Risk?
Over and over again, youve read in the pages of this newsletter and elsewhere that eating fish like salmon high in omega-3 fatty acids is good for you. Youve seen countless ads touting the similar benefits of fish-oil pills containing those same omega-3s (EPA and DHA). Now suddenly comes a flurry of headlines suggesting a scary downside to these health-promoting omega-3s, at least for men: High Levels of Fish Oil May Boost Risk for Prostate Cancer, Omega-3 Supplement Taken By Millions Linked To Aggressive Prostate Cancer.
Are You Getting Enough B12 to Fight Mental Decline?
Even if youre only a little low in vitamin B12, you might be at greater risk for cognitive decline than previously thought. While prior research has linked serious B12 deficiency to higher likelihood of cognitive problems, a recent Tufts study found that moderately low levels of B12 also put older people at significantly increased risk.
Q: I take supplements of vitamin B12 daily, plus a mature multivitamin containing vitaminB12....
Answer : Unlike many other nutrients, the Institute of Medicine has not established a Tolerable Upper Intake Level for vitamin B12...
Q: I take a multivitamin with my morning cup of tea. Do I need...
Answer : In general, theres no need to be concerned about tea blocking the absorption of vitamins or other nutrients, according to Jeffrey B. Blumberg, PhD, director of the Antioxidants Research Laboratory at Tufts Jean Mayer USDA Human Nutrition Research Center on Aging...
Q: I have long read recommendations of low-fat milk. How about powdered milk? I...
Answer : Just like regular milk, powdered or dry milk comes in different types. The most important difference is whether the milk is nonfat or whole.
Q: Besides being kosher for religious purposes, whats the difference between kosher salt and...
Answer : Kosher salt, like most supermarket sea salt, is much coarser-grained than ordinary table salt.
Q: Is it contraindicated for individuals at risk of developing calcium oxalate kidney stones...
Answer : Lesley Stevens, MD, MS, an assistant professor of medicine at Tufts, replies, Vitamin D supplements are not necessarily...
Q: I have osteoporosis, and my doctor wants me to take 1,000 IU daily...
Answer : Its true that vitamin D can be toxic at extremely high levels and, technically, your total intake would be above the 2,000 IU daily Tolerable Upper Intake Level (UL) ...
Q: I have read that pomegranate juice interferes with the availability and absorption of...
Answer : You can drink your pomegranate juice whenever you like...
Q: Recently a friend of mine started taking a colorless liquid given to him...
Answer : A Vitamin O is not a scientifically recognized vitamin at all, but rather a supplement sold since 1998 whose maker has repeatedly been cited by the Federal Trade Commission (FTC) ...