Ten reasons you always feel tired

Most of the time, we tend to blame lack of sleep for our permanent fatigue. Yet other causes should be factored in, too. Addressing them could help us avoid or treat our constant feelings of tiredness.

How lethal is COVID-19, and other (un)answered questions

There have now been over 12 million cases of COVID-19 infection globally, and half a million deaths. Researchers are constantly looking for new and better information to reduce the uncertainty around the virus.

Sexual abstinence: absurd, an option, or a necessity?

It was 1984 when hospitals in southern China were besieged by young people in a state of extreme agitation. Thousands of people, of both sexes, were suffering from panic attacks accompanied by fear of death because of the overwhelming belief that their sexual organs were retracting and disappearing, or that their nipples were retracting into their breasts.

Under the shadow of the pandemic: was 2020 really the worst year in history?

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.

Illusory benefits at a high price

There is a widespread perception that dietary supplements are necessary for everyone because our diets are generally thought to be unable to provide everything we need to meet the demands of everyday life. It is also commonly assumed that taking various dietary supplements will help us live longer. Unfortunately, rigorous scientific evidence does not support these beliefs. 

A healthy old age is built decades before

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.

COVID-19: Recurrent revelations

Any large-scale phenomenon, such as a pandemic, activates our instinct to preserve our state of being—especially when we feel like we are losing it.

One of my parents has Alzheimer’s. How can I be sure I won’t be next?

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.

We need water

The question of the origin and justification of the recommendation to drink at least eight glasses of water a day was first seriously examined in a scientific publication by Heinz Valtin.

Sweet and good—but only in moderation

Honey has a highly complex chemical composition that varies depending on the botanical source from which bees collect nectar. Throughout history, it has been valued both as a food and as a medicine.

COVID-19: Lessons on happiness from an invisible teacher

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...

Understanding breast cancer

Breast cancer claims the lives of more women than most other forms of cancer. In the United States, the incidence of this disease in women is about one in eight, which is nearly 13 per cent, while in Australia and New Zealand it’s slightly lower at one in nine (11 per cent).

Generation ”couch potatoes”

What you're doing, right now, at this very moment, is killing you. More than cars or the Internet or even that little mobile device we keep talking about, the technology you're using the most almost every day is this: your tush. Nowadays people are sitting 9.3 hours a day, which is more than we're sleeping, at 7.7 hours. Sitting is so incredibly prevalent,...

No laughing matter

We’ve all been guilty of memory lapses at times—forgetting a birthday or anniversary, that needed ingredient we were supposed to pick up at the grocery store, where we put our car keys, even where we parked the car. And mostly we just joke about these memory lapses and tease each other about them. However, for some 50 million people around the world who...

The wonder pill

It was terrifying. They kept trying to comfort me by telling me they had the best surgeons. But they also said that I needed a new liver and that my body might reject it. – Christopher Herrera