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?

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.

God’s providence in times of crisis

Regardless of the form they take, crises give rise to legitimate questions about God's providence: Where is God when we suffer? Has He forgotten us? Is He punishing us? Does He still have things under control?

How you can get your sense of smell back after a cold

A recent study showed how we can fully restore our olfactory sense after a cold, during which nasal constriction prevents us from smelling even the most intense smells.

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?

14 reasons why cycling is good for you

Could jumping on a bike enrich your life? Here are some reasons you should consider giving it a go.

COVID-19 vaccines and pregnancy: What do we need to know?

When analysing the potential impact of COVID-19 vaccines in pregnancy, first of all, we must observe that several studies have shown that, in pregnant women, SARS-CoV-2 infection can have significant negative consequences.

Remember to rest

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...

Bittersweet

In terms of their effect on health, there is no difference between white and brown sugar. Sugar substitutes should not be consumed indiscriminately either.

COVID-19 mRNA vaccines

What are mRNA vaccines? How do they work?

Low-carbohydrate diets may shorten lifespan

A diet based on significantly reducing the amount of carbohydrates on your plate can reduce life expectancy by up to 4 years, according to a study published in The Lancet Public Health.

The question of cholesterol-containing foods

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.

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?

Everything natural is good. True or false?

There seems to be an obsession with the word "natural." We look for it everywhere and, if necessary, are willing to pay more for products deemed natural. If this were not the case, there would probably not be so much emphasis on advertisements and product labels that show the products' natural qualities.

Brain health, a key to a happy life

It can be simple or complicated to find and, especially, apply strategies to increase your level of happiness. What we can be sure of, however, is that in this ongoing discussion about what makes us happy, brain health is not a topic that can take a backseat.