Knowledge

After every cup of coffee, a glass of water should be drunk, as coffee "drives", as often well-intentioned advice. But is it true that coffee removes water from the body and thus does not add to the fluid intake? No, so the answer of the DGE. It does not hurt to drink a glass of water with a cup of coffee, but it is not necessary.

A man spends an average of about 3,350 hours - about 150 days of his life - with hair removal on the face. After all, more than 800 meters of whiskers come together in one lifetime. How much "beard" a man gets depends crucially on the genetic predisposition. Do hairs grow faster through frequent shaving?

The energy requirement or calorie requirement is made up of the basal metabolic rate and the turnover and varies from person to person. We have an increased energy requirement in case of stress, fever and hyperthyroidism, as well as women during pregnancy and breastfeeding - in old age and in mental disorders, the need is reduced.

Heat, fear or physical exertion: if a person is required, sweat inevitably breaks out. Two to three million sweat glands are distributed in the skin and - even in complete calm and in a uniform climate - daily between half a liter and one liter of sweat. The density of the sweat glands on the soles of the feet is highest with 620 glands per cm2, and lowest on the lower legs with about 120 glands per cm2.

In middle age, other skin lesions such as senile wart (seborrhoeic keratosis) may occur in addition to age spots. Age warts are dark pigmented skin growths, which can occur more often on the face or upper body. At first glance, age warts are often confused with basalioma (white skin cancer) or malignant melanoma (black skin cancer).

We are talking about an experience that probably each of us has already done. Whether cycling, shaving or just doing housework - we hurt ourselves. At first we feel strong pain, then the wound seems numbed. When scabs form over the injury and the healing process begins, we often feel a strong itch.

Dietary fiber should not be missing as part of a healthy diet. They have a positive effect on the digestive system in the body, ensuring that the stool stays soft. Thus, they can effectively prevent blockages. Adults should consume about 30 grams of fiber per day, for example via foods such as whole grains, fruits, vegetables, nuts and legumes.

No, a corn-eye (Klavus or Clavus) is not a third eye that suddenly grows on the hand or foot. Rather, corns are cone-shaped thickenings of the cornea that grow inward. In the center of this round corneal proliferation is usually a yellowish horn wedge, which shines through glassy and looks like the pupil of a small eye.

Tea, coffee, cigarettes and red wine can leave unsightly marks on our teeth. With a professional tooth cleaning at the dentist and intensive cleaning pastes you can usually remove these superficial discolorations again. But food and stimulants are not always responsible for a color change of the teeth.

The fact that exercise and exercise help to burn fat and reduce calories is no longer a secret. Which sports but let the pounds tumble the fastest, argue the experts. So far, fat athletes ranked endurance sports such as running, swimming, cycling and inline skating.

The thesis that red wine should be healthy is well known. But can you really enjoy it as carefree as it is popularly spread? Even Hippocrates sat 400 BC. Chr. Red wine as a remedy. The drink was already attributed at this time, among other disinfecting, soothing and analgesic effects.

Gray hair is considered a symbol of aging, because at the latest from the 50th Age of hair is interspersed by gray strands in most people's hair. But why are our hair actually graying? The reason that the hair appears gray is a lack of melanin in the hair. Melanin production naturally declines in old age but may be affected by certain diseases or medications.

"Say 'Aaaaa' - who does not know the taste in the morning, the whitish tongue? This is usually not a cause for concern, but if it is very strong on the tongue, it could be fungal attack Small or Large: The tongue is considered a "showcase" of the digestive tract.

Salt is vital to our body, because without salt, certain bodily functions could not be sustained. However, we should not take too much salt - this is especially true for people with high blood pressure or kidney problems. Otherwise they can cause health problems.

Oils are by nature not miscible with water. If such liquids are combined, this is called an emulsion. Thus, an emulsion refers to a system of two immiscible liquids, one of which is aqueous. Emulsions are milky-turbid liquids. The consistency of individual emulsions can vary from viscous to creamy but strong.

Enzymes drive many important biochemical reactions in the body. For example, they convert substances into other substances and break up large molecules. Therefore, enzymes are also referred to as biocatalysts. They develop basic building blocks that are necessary for our body from the food and are involved in the metabolism.

"Sleep before midnight is the best!" is a widespread view. Sleep researchers share this only conditionally. Even those who do not come to rest before midnight need not worry about a sound sleep. The important thing is not the time, but the quality of sleep.

Whether you like it or not, who sneezes is "blind" for a moment. Because when sneezing you automatically close your eyes. Even if you wanted to consciously try to keep your eyes open, that would not work. Because sneezing and the simultaneous closing of the eyes is a natural bodily reflex.

Sorbitol belongs as well as mannitol, lactitol or xylitol to the group of sugar alcohols. It is used as a sugar substitute in many industrially manufactured foods. Sorbitol is only about half as sweet as sucrose (table sugar) and also contains significantly fewer calories. However, sorbitol is not well tolerated by everyone - more and more people suffer from sorbitol tolerance.

Sodium bicarbonate is used to treat diseases caused by excessive acidity in the body. The white powder ensures that the acids are neutralized and the pH of the blood increases. In the past, soda was also used to treat heartburn, but this approach is now obsolete.