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Here, doctors explain how long most vitamins last and any risks associated with taking expired vitamins. ... Best case scenario, the average shelf-life of vitamins is two years, Davis-Cadogan adds
A review of clinical trials in the treatment of colds with small and large doses of Vitamin C has established that there is no evidence that it decreases the incidence of common colds. [28] After 33 years of research, it is still not established whether vitamin C can be used as a treatment for cancer. [29]
New research links omega-6 fatty acids, commonly found in seed oils, and colon cancer growth. But there’s more to the story—and study if you read it carefully.
Since its discovery, vitamin C has been considered almost a panacea by some, [14] although this led to suspicions of it being overhyped by others. [15] Vitamin C has long been promoted in alternative medicine as a treatment for the common cold, cancer, polio, and various other illnesses. The evidence for these claims is mixed.
Vitamin deficiencies may result in disease conditions: goiter, scurvy, osteoporosis, impaired immune system, disorders of cell metabolism, certain forms of cancer, symptoms of premature aging, and poor psychological health (including eating disorders), among many others. [82] Excess levels of some vitamins are also dangerous to health.
Researchers found that taking calcium and vitamin D supplements lowered a woman’s long-term risk of dying from cancer by 7%, but increased the risk of death due to heart disease by 6%. The study ...
In absolute terms, the difference was just 1.3 cancer diagnoses per 1000 years of life. The hazard ratio for cancer diagnosis was 0.92 with a 95% confidence interval spanning 0.86–0.998 (P = .04); this implies a benefit of between 14% and .2% over placebo in the confidence interval. No statistically significant effects were found for any ...
Researchers from the University of Georgia have found that omega-3 and omega-6 fatty acids may offer protection against several types of cancer, including colon, stomach, and lung cancers.