According to a new study, supplementing with large doses of vitamin D may lower blood levels of estrogen, which may be vital for the prevention and treatment of the dreaded disease.

According to a Cochrane review, supplementing asthma medication with vitamin D may halve the risk of having a severe asthma attack and improve quality of life for those who suffer from this condition.

Insomnia is common among cancer patients. Sleep medicine is associated with serious side effects, but research shows that the natural hormone, melatonin, may help improve the sleep quality of cancer patients in several different ways. Melatonin even has cancer-inhibiting mechanisms that deserve a closer look in terms of prevention and treatment.

According to a new study from Melbourne's Swinburne University, supplementing with B vitamins gives you more vitality and surplus in mentally challenging situations, thereby reducing the subjective feeling of stress. The study is the first to use a special technique to reveal the circulatory flow through the brain.

Iodine's ability to protect against breast cancer has been demonstrated in animal studies. Furthermore, epidemiological studies suggest that consuming more dietary iodine lowers the risk of the dreaded disease, which represents 25% of all cancers in women.

For the first time ever scientists from California have discovered copper's role in the burning of fat. This improves the nutrient's reputation as an essential nutrient.

- and older people should ideally consume more than the official recommendations

Undernourishment and lack of protein is common among older people. Evidence even suggests that the recommended daily intake of protein is too low, at least as far as seniors is concerned. The problem is most likely a slowdown of the muscle-building enzyme processes. The quality of protein also has something to say just like the amount of physical activity is a factor.

Several studies show that nutritional supplements may help against aggressive behavior in children. Based on this knowledge, American researchers have tested the effect of combining supplements of fish oil, vitamins, and minerals with psychological treatment - and it appears to improve the outcome.

Melatonin is primarily for its role as a sleep hormone. However, it also increases the effect of tamoxifen and reduces side effects in the aftercare of breast cancer. Science has known about melatonin's cancer preventative properties for quite some time, and by embedding the hormone in small "lipid bubbles", tamoxifen is able to destroy even more breast cancer cells, according to Iranian research.