The first line of defence: Proven efficacy of wearing a mask in preventing SARS-CoV-2 infection

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.

COVID-19: Should we care about the environment in the midst of an economic crisis?

Our planet may be fittingly compared to the 1994 film, Speed: A bomb is planted on a bus and rigged to explode when the bus slows to less than 80 kilometres per hour. The bus barrels through Los Angeles, hitting obstacles and endangering the lives of passengers and pedestrians until a solution is found.

Immunization against COVID-19: How often should the vaccine be repeated?

How long does the protection provided by the vaccine last? Should I have a booster shot after a while, or not?

Twelve months in a year, vitamin B12

The quantity of Vitamin B12 required for a healthy diet is measured in micrograms, but the impact on human health is far greater than these tiny amounts would suggest.

Why do phones make us tired and ruin our mood?

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.

Genetic inheritance cannot be altered. True or false?

Grandpa’s eyes, mother’s wide hips, aunt’s serene gaze, father’s ambition, great-grandmother’s rheumatism—all the little traits that define us seem to come from ancestral parents who, together, should have all the genes that anyone can have today, all the possible ingredients for the recipe from which we were made.

COVID-19: What is my risk of developing a serious form of the disease?

Tueday, 31 March 2020, marked exactly three months since the World Health Organization, the Chinese office, was notified of incidences of pneumonia from an unknown cause. According to specialists from the Robert Koch Institute in Germany, we have not yet reached the peak of the pandemic in Europe. We hear about mild and asymptomatic cases, but also about many deaths globally.

COVID-19: Let’s not go back to normal

Let’s not go back to the abnormality of before! This is one of the messages which the French hung from their balconies on May 1, when the activities that would usually happen on this national public holiday could not take place. What can we change and what is worth changing after COVID-19?

Websites with reliable information about COVID-19: How to choose our medical sources of information

Obtaining information in the medical field does not only pose theoretical or scientific problems—it also has very high stakes. Taking data and suggestions from providers who disseminate incorrect or incomplete information can lead to sickness or even death, because these sources provide ineffective or harmful treatment recommendations. What follows is a list of websites with reliable information about COVID-19 we recommend consult regularly.

The return to nature

What would you think if your doctor prescribed a dose of nature, as a clinical and therapeutic treatment—to admire a cloud, to have a meal at the beach, to bury your face in the grass? This is exactly what some doctors are doing, after studies have shown the benefits of connecting with nature—especially since the trend of moving away from nature in recent...

Change resistant: Why don’t we eat enough fruits and vegetables?

Our attitude towards fruits and vegetables as well as other plant-based foods is almost paradoxical: they are probably the healthiest of foods, they are tasty (or can be prepared to be, with little skill), and they are relatively cheap. However, most people consume these super foods in smaller quantities than is necessary.

Hope in the storm

This coronavirus crisis has, for me, some perplexing parallels with a well-known incident narrated in the Gospel of Matthew (14:22-33). The disciples are confined in a little boat in the middle of a terrible storm, almost as we are confined at home today by the emergency laws of our countries.

What is in the COVID-19 vaccines and what do they leave in the body?

What is in the COVID-19 vaccines? What remains in our system after each type of vaccine, and for how long?

COVID-19: Why and how do masks, gloves and other protective equipment help?

I leave the house with gloves and a mask on. When I return, I clean my shoe soles and I wash my gloves with disinfectant. Then I take off my clothes, place them somewhere outside, take off my gloves and mask and wash my hands. Is this normal? Or am I a germophobe?

COVID-19: How can we transform the crisis?

Tens of thousands of articles about the new coronavirus crisis are filling news outlets around the world these days. What is the crisis, how we go through it, what to do, how to do, when to do it etc. Only one thing seems certain these days: our uncertainty about the future. We would prefer an authority to go out in public and tell...