Food better than supplements for longevity

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Washington D.C. [USA]: A new study has revealed that consumption of certain nutrients is linked to lower risks of death if the source of those nutrients is foods rather than supplements. Excess intake of calcium was associated with a higher risk of death from cancer.

People with no Vitamin D deficiency but are taking too much Vitamin D supplements also risk having negative effects on their health. "This study also confirms the importance of identifying the nutrient source when evaluating mortality outcomes". But excess calcium from food was not associated with a similar uptick in mortality risk, Zhang says, which suggests that the body may not be able to clear excess supplemental calcium as well as it can natural calcium. In addition, people who consume adequate levels of vitamin A, vitamin K, zinc or copper had a lower risk of death from heart disease, compared with those who didn't get adequate levels of these nutrients.

Another study has warned that vitamin supplements probably aren't an adequate substitute for a poor diet - and, in fact, at least one popular supplement may increase cancer death risk.

The study also highlighted the negative effects of overuse of supplements: For example, getting 1000mg per day of calcium in pill form was linked to a 62 percent increased risk of cancer.

One thing that the researchers can not say is whether the association is between the nutrients themselves or other components in the foods, Zhang said.

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"But, we need more research to look at long-term use of supplements".

It will even be price exploring whether or not dietary supplements is likely to be useful amongst those that have dietary deficiencies."With greater than half of USA adults utilizing dietary supplements, Zhang and her colleagues explored their results, in addition to the impression of vitamins present in meals, with knowledge from 27,725 adults collaborating within the Nationwide Well being and Diet Examination Survey". Instead, researchers recommend getting nutrients from food.

The participants included in Zhang's study all had filled out a 24-hour food questionnaire twice.

A new studyshows that taking regular vitamins and dietary supplements are not enough to keep you healthy. Future studies should continue to examine the potential risks and benefits of supplements. They can't prove if the nutrients from food can lengthen your life, but people who adopt healthy diets live longer.

Professor Hugh Montgomery, of UCL Institute Human Health and Performance, said: 'The growing message is routine vitamin supplementation offers little if any benefit to health and may cause harm. That said, I'm going to go eat a salad. The academy points out that foods can contain beneficial components that aren't found supplements, such as fiber or bioactive compounds.

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