Why do people smell like old people when they are old?

It's strange to be old. The reasons why I smell old are as follows. Now every old man smells like an old man. Many people say that if he is old, he will have a unique smell. In fact, he smells like an old man in reality. This is because when he is old, he will have a very unpleasant smell. Scientists have done research. They collect people's body odor for experiments. People can also accurately tell which is the old man's body odor. This is also a man and a woman. They are different. People over 40 years old will have a special substance on their skin, which is also smelly. The reason may be that they are oxidized by a certain characteristic, which is as different from the taste of fat weeds. They can tell the smell of age. Many people have different tastes in their living habits, such as smokers. They will smell of smoke, and people who drink for a long time will smell of wine. People who don't bathe often will smell of sweat, and people with bad mouth will have bad breath. Some diseases also have some diseases such as kidney disease and liver disease. It is also very important for us to prevent and pay attention in our life. For example, skin function declines and metabolism is slow. Be sure to pay attention to your moisturizing, especially in winter. Winter can also cause chronic diseases. Uremia can improve the function of kidney, so we can treat skin diseases. Be sure to change clothes more, keep your skin dry, take a bath frequently and have a light diet. One is that, like meat, it will be fatty and aggravate the odor. Usually eat more ginger and garlic and less fried food, which can reduce body odor. For example, when the elderly reach a certain age, especially men, the prostate is also problematic. If the urine is not clean, the clothes will smell. In addition, the elderly often take drugs, and it is normal to smell. Their metabolism is different, and their metabolism is very slow, even if their bodies have some bad smells, they can't be washed away.