- 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.

Q10 is a coenzyme that is involved in cellular energy production and protection of our cells. There are numerous cosmetics with Q10 that are believed to delay skin ageing. However, only limited amounts of data have been available to prove the effect of Q10 on skin - until recently.

Many people suffer from chronic heart failure - often without knowing it. Numerous studies have shown that supplementing with Q10 can improve quality of life and even reduce mortality. An article published in Pharmacologic Therapy reviews the many Q10 studies and makes a point of saying that it is important to choose a Q10 preparation with good bioavailability.

Cardiovascular disease is one of the leading causes of death. It is therefore vital to get enough magnesium because according to research, low blood levels of magnesium are linked to an increased risk of atherosclerosis, hypertension, and type-2 diabetes.

Lack of vitamin D and selenium increases your risk of catching a cold or the flu or accompanying complications. Many people resort to Echinacea, ginger, and smoothies filled to the rim with vitamin C and secondary immune compounds, but these measures can never replace the two essential nutrients, selenium and vitamin D.

There are several reasons why pregnant women have an increased need for folic acid. Overweight women should even pay special attention, as folic acid reduces their risk of having babies who are also overweight. This was seen in a new American study that got published in JAMA Pediatrics.

- increasing your risk of pancreatitis and other complications

A new American study shows that chronic alcohol abuse impairs the ability of the pancreas to absorb vitamin C, and that increases the risk of infection of the pancreas (pancreatitis) and other diseases. Lack of certain B vitamins may also damage the pancreas and increase the risk of encephalitis.

Apparently so. According to a new study, vitamin B3 (niacin) is a powerful antioxidant that, by means of enzyme processes, protects the body against aging and diseases caused by oxidative stress.

Periodontal disease affects most people at some stage in life. However, according to a recent study that is published in Contemporary Clinical Dentistry, supplemental use of Q10 and tea tree oil may have potential benefits.

According to a new study that is published in the British Journal of Nutrition, even minor zinc deficiencies may cause poor digestion, skin problems, and fatigue - and lead to numerous other health problems in the long run. You should therefore avoid zinc shortages, and people with poor diets, vegans, vegetarians, and older people should make sure to get enough zinc.