Knowledge of the body

People often disagree about what is and isn't healthy. Learn more about hotly disputed health topics and find out about the latest research.

77 articles

Influenza – to vaccinate or not?
You can get vaccinated against the flu, which is also known as influenza. Opinions on this vaccination differ widely. Find out more.
30.11.2022 2 minutes )}

How do muscle cramps develop?
The muscle contracts involuntarily, giving rise to pain. How do muscle cramps develop and what helps to counter them?
28.07.2022 3 minutes )}

Aching muscles: the key facts
How do aching muscles come about and what helps to counter them?
27.07.2022 3 minutes )}

Is it colour blindness or colour vision deficiency?
Colour-blind people or those with a red-green deficiency either can't see colour at all, or only partially. More on colour vision deficiency.
07.06.2022 4 minutes )}

Sunstroke: heat accumulation in the head
Sunstroke is caused by your head overheating as a result of prolonged sun exposure. Here’s how to protect yourself and your children from it.
01.06.2022 5 minutes )}

How do glasses with a blue light filter help?
Displays give off lots of blue light, disturbing our sleep-wake cycle. Is it true that glasses with a blue light filter can help against this?
19.05.2022 2 minutes )}

The eye: the structure and how it works
Cornea, lens, retina – the eye is a highly complex sensory organ. We’ll show you how it is structured and how its individual parts work.
13.05.2022 5 minutes )}

Short-sighted or long-sighted – what’s the difference?
Short-sighted or long-sighted? What does this mean? What’s the difference? Find out all there is to know about defective vision here.
13.05.2022 7 minutes )}

What is astigmatism?
Astigmatism is a common vision problem. It is not age-related and often occurs in conjunction with short- and long-sightedness.
13.05.2022 4 minutes )}

20 tips for a strong heart
Stress, an unbalanced diet or not enough exercise: there are many causes of heart disease. However, it is never too late to change your own lifestyle. We will show you how.
30.03.2022 4 minutes )}