Some people need it to get going in the morning, while others lose sleep at night - we're talking about coffee. 

But is it really true that coffee impairs sleep and can become a real sleep robber? 

Restful sleep is important for our health as sleep helps the body regenerate as well as process all events and efforts of the day. 

Some people are firmly convinced that plants in the bedroom increase sleep quality because of an improved air quality. But is this really true or is it just a lie pushed on us by the "bedroom plant lobby"?

"Eat your carrots, you'll get better eyes!" is a phrase that I'm sure we all remember from childhood. You're sitting at the kitchen table with your family and you've actually eaten everything on your plate, except for those stupid carrots. 

To motivate you, your parents tell you that carrots will improve your eyesight even in the dark. Of course, that was the ultimate dream for a child. 

However, as someone who wears glasses I noticed one thing over time: every half year my eyesight was deteriorating despite having eaten so many carrots. For this reason I asked myself:

Do carrots really strengthen eye sight?

Who hasn't experienced it? During the night leg cramps keep you from sleeping. You try all sorts of stretches and contortions to ease the pain. 

Then you reach for the familiar first aid measure "magnesium" hoping it will make your muscle relax. 

But does magnesium actually help?

Vitamin C is a controversial topic in today's society. Large pharmaceutical companies, supermarkets and drugstores advertise - increasingly in winter - the intake of the vitamin to prevent colds. But how helpful is it really? Is it all just marketing or is there some truth behind it?

This weeks's myth about laughing by Felina:

Smiling away problems and diseases would definitely be the easy way out. But does it work? Is laughing actually healthy? 

our weekly myth by Janina: 

It is all over instagram, grocery stores and gyms: more and more people are taking dietary supplements. Popular instagramers swear by supplements such as protein powders and bars, creatine supplements, bcaa drinks etc. and promote them by promising fast muscle growth and improved physical fitness. But can supplements really enhance athletic performance? 

This weeks's myth about nutrition is from Julia.

Is it true or just made up? 

our weekly myth by Sophia: 

This myth about nutrition is from Luisa. 

Is it true or just made up?

drinking properly for exercise - people who work out should drink isotonic beverages. 

We often read that cholesterol is bad for the heart and causes all cardiovascular diseases. But is this really true? 

Who has not noticed some white spots on their fingernails every once in a while and had to listen to countless potential explanations from friends and family: genetics, consequences of bumping into something or lack of calcium? 

Many of you have probably already hear of the latter. 

Time to clarify if this myth is really true: 

Some consider it disgusting others do it daily: cracking fingers. But almost everyone has heard that it is supposed to be unhealthy. Whether your granny, mom or a friend has told you about is. But the question is: is it really damaging your fingers? 

Does fat make you fat? 

Almost every magazine cover which addresses women has a very special advice for you. Drinking green tea is supposed to help with weight loss. Is this true or just another "weight loss myth"?

Don't be a wimp! Your daily cold shower is not only said to stimulate the cardiovascular system but to strengthen the immune system, to add to general resistance, to lower stress levels and to help lose weight. Are these promises real? 

Who is not a fan of sitting in a cafe in the afternoon enjoying a cup of coffee or cappuccino? A tasty aromatic coffee, a product of comfort that has become indispensable in many households: in the morning as a pick-me-up, after a hearty lunch or for your afternoon coffee break. And soon our bladder makes itself felt. 

Is it true that drinking coffee dehydrates our body and leads to us using the bathroom more? 

Everyone is talking about the consumption of salt.

According to the WHO, reducing the daily intake of salt to the recommended 5g can decrease the risk of stroke by 24% and the risk of coronary heart disease by 18%. All other related cardiovascular diseases can also be prevented.

But does the following principle also apply to salt consumption: “the less, the better”?