Health

How important is wearing a mask for preventing SARS-CoV-2 infection? We must say, at the outset, that wearing a mask remains important in preventing SARS-CoV-2 infection, especially because the "delta plus" variant has a high potential for contagion.

Peering through the dust settling from the chaos of last year, we are trying to see into the unknown of the coming year, hoping for the best. Irrespective of what our hopes for 2020 were, our expectations for 2021 seem to centre on things going back to normal.

The phenomenon of technoference (that is, the daily disturbance people experience due to the use of mobile phones) is becoming more and more prevalent, and researchers at the University of Technology in Queensland warn that as we become more dependent on these devices, we become more tired, more unproductive and unwell.

Early reports out of China showed that elderly people and the chronically ill were most vulnerable to Covid-19. Yet an alarming number of young people in the United States have been hospitalized with severe infections. According to the Centers for Disease Control and Prevention, nearly 40% of American Covid-19 patients who were hospitalized were under 55 – and 20% were between ages 20...

Dwight D. Eisenhower, a former US president, had a heart attack at the age of 64. Later, despite his cholesterol levels being within the normal range, he adopted a low-fat diet. However, despite the diet, he gained weight and his cholesterol levels rose, calling the effectiveness of the diet into question.

Psychologists recommend all sorts of things you need to do or have in order to nurture a healthy and strong mind, such as tenacity, ambition or optimism, but there are also some things you should avoid for the same purpose.

Lying on my back, naked except for a sheet draped over my lower body, arms tucked behind my head, I’m feeling vulnerable and exposed. The radiotherapist leaves the room. I’m all alone. I begin to panic as I anticipate the beams of radiation about to penetrate my skin.

Sunday afternoons were a sacrosanct time when I was growing up in Argentina. Everything seemed to quiet and slow down between 2:00 and 5:00 pm, during siesta. Even shops would shut. All you could hear was the sound of the cicadas as the whole neighbourhood took a nap. Young and old, rich and poor were unified by this wonderful tradition. At least, I...

We might be tempted to believe that most antibiotics are distributed to people through pharmacies and hospitals. The reality, however, is surprising.

For some people, being vegan is part of their lifestyle, but others cannot conceive of missing out on dairy products, meat or eggs. This could be explained by several myths that revolve around these diets.

The epidemic of false information in this worldwide pandemic is even more infectious than the virus itself. Fortunately, there is a vaccine for this epidemic of fake news: quality information and information filters. However, not everyone has been vaccinated. Here is an immunization effort.

The importance of proper nutrition is often underestimated. The nutrients in food provide energy, contribute to tissue growth and repair, and regulate physiological processes. Nutritional needs vary depending on age and physical condition.

Ancient Greek athletes consumed large amounts of meat, believing that their performance was due to the animal protein it contained. This idea was later strongly supported in the 19th century by the chemist and physiologist Justus von Liebig, who proposed that protein is the main substance for building muscle.

An old saying states: "If youth knew; if age could". This truth is reflected by countless studies showing that lifestyle adjustments made in middle age (or even earlier) favour a transition to a healthier old age.

British researcher N. W. Pirie noted as far back as 1969 that few topics give rise to as many myths as food, disease, and gardening. Given the widespread misinformation surrounding E-numbers, there is far too much to cover in just a few pages. However, it is worth clarifying some general aspects that are often misunderstood or completely overlooked.