In modern lifу it is important to know when to stop. It is very well expressed by the founder of modern pharmacology Paracelsus in his quotation, "Everything - poison, everything - medication, both determines the dose." Any substance in the world has a lethal dose.
A lethal dose of alcohol
Alcohol is certainly not vital product, but a lot of it is used pretty often. Lethal dose of alcohol for one person is 6-12 grams of alcohol per kilogram of bodyweight. To understand this three-liter bottle in one, but you can save your own body, throwing toxic substances (vomiting, diarrhea, etc.). But there are curious cases, as for example in 2004 in Bulgaria in the town of Plovdiv, a manwas hitted by a car, and 9.4 ppm of ethanol was found in his blood (considered a lethal dose of 6 ppm). He recovers in a few days.
A lethal dose of vitamins
All vitamins can be fatal to humans if consumed in large amounts. The lack and excess of certain vitamins are equally harmful to the body. For example, vitamin deficiency of vitamin A will lead to increased hair loss, and hypervitaminosis poisoning. Daily doses of any vitamin necessarily indicated on the packaging.
Lethal dose of nicotine
If you think nicotine is found only in tobacco you are deeply mistaken. Iit is found in tomatoes, potatoes, bell peppers and eggplants. But the concentration in the products is absolutely not harmful to humans, so it is not steamed. Nicotine is a very powerful poison. Lethal dose of nicotine for human 0.5-1 mg per kilogram of body weight, which was understandable and it is about 100 cigarettes at a time.