Health

Hypervigilance and fear are the most common reactions of people who have a parent (or another family member) affected by Alzheimer's disease. Although a family history of Alzheimer's increases the risk of developing the disease, the picture of risk factors proves to be much more complex, just like that of prevention.

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.

What if we could modify or even completely erase painful, sad, or traumatic memories? While this concept currently belongs to the realm of science fiction, advances in science may soon make memory modification possible. Yet, experts remain divided on one fundamental question: could the potential benefits of altering memories outweigh the risks involved?

The prevailing message in the context of the pandemic was clear, but also disturbing: "Don't go out! Stay home! Work from home!" But what about those who do not have a home?

Breathing is an act most of us take for granted, and there seems to be plenty of oxygen to go around. Yet, according to the World Health Organization, the use of e-cigarettes (aka vaping) has been on a steady incline during the last few years.

On any given day, a typical person checks the clock several dozen times.

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.

Attitudes toward food form a complex mosaic shaped by factors such as nutritional needs, hunger, taste preferences, socioeconomic status, demographic and emotional influences, as well as ethical, cultural, and religious values. Equally important is the level of education on nutrition (Gahagan, 2012). This plurality of factors helps explain the global diversity of dietary habits.

When life takes a bad turn, we are often tempted to console ourselves with nostalgia. We begin to look at the past in a different light. We realise that we had been too demanding of ourselves, of others, of the world. That even though we had everything we needed we still wanted more. That we were always looking for something else, without paying...

I was a sickly child. If I wasn’t catching a humble cold, it was something more exotic, like whooping cough or bronchitis.

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

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?

In Mexico, diabetic retinopathy is a significant challenge. Professor Pedro Gomez is the director of the Ophthalmology Institute of the University Hospital of Montemorelos in Mexico, renowned for the highest number of eye surgeries in Latin America.

When you are addicted to alcohol, the whole of society is your enemy: TV shows, their commercials, your neighbours in your free time, the family at big holiday gatherings, entire aisles in shops that convey the message that "you'll feel better if you drink alcohol".

In the midst of the COVID-19 pandemic, there are specialists who are not surprised by this crisis, and believe that in the future we could be facing other pandemics if we fail to fix the mistakes that led to an increase of animal to human pathogen transmission.