In summer it is more difficult to keep food at the optimum temperature to prevent the development of micro-organisms. Cooking and storing what we eat properly are some of the keys to avoiding food-borne illnesses.
A study published in the journal Nature has found that ancient human populations consumed milk during adulthood long before we were able to digest lactose beyond infancy. The genetic variant that allows us to do so was not increased in frequency by milk consumption, but by famine and infection, according to their hypothesis.
Reducing salt intake is recommended to prevent heart failure, but restricting it too much could worsen a common type of heart failure, research published in the journal Heart suggests.
The journal JAMA today publishes several articles, along with an editorial, in which the US Preventive Services Task Force recommends against the use of vitamin supplements to prevent cancers and cardiovascular disease.
A study published in Nature identifies a metabolite produced during exercise that can effectively reduce food intake and obesity in mice. It has also been found in humans.
A study of nearly half a million adults examines the association between total and specific fish intake and melanoma risk.
Caloric restriction (substantially reducing food intake in a controlled way) prolongs longevity in many animal species. A new result in mice, published in Science, finds that this effect is greater if the animals only eat during the body's natural active phase.
On 27 April, the WHO reported 151 cases of salmonellosis in 11 countries, caused by the consumption of 'kinder eggs' or other contaminated products of the same brand. In Spain, two cases have been confirmed.