not all bad habits should be completely eliminated. The article even lists some common habits of people, thinking that they seem to be “bad habits”. In fact, as long as they are properly controlled, they are beneficial to the body.

listening to heavy metal music

research shows that listening to music with strong rhythm such as heavy metal music and hard rock music can actually benign stimulate the inner ear and brain and make the mood happy. Just note that, first, you should choose a suitable environment to listen, and second, you must control the volume – the maximum volume that a human ear can withstand is 90 dB. When a high voice above 100 dB suddenly appears in the ear, it may instantly cause tympanic membrane perforation and bleeding, and finally lose hearing.

angry

angry will increase your blood pressure. But compared with people who are not often angry, people who are often angry actually have no higher blood pressure.

playing video games

some people believe that often sitting still playing video games not only has an impact on vision, but also easily leads to obesity. But when playing games, players’ heart beats faster and their calorie consumption increases. As long as the time is controlled, it is healthier than sitting and watching TV.

swearing

researchers said that swearing can actually alleviate the pain of swearing people. Because swearing can stimulate adrenaline secretion.

put pressure on yourself

research has found that short-term psychological stress can improve learning ability and memory. Cortisol, a benign hormone secreted by the hippocampus, stimulates learning. It is worth noting that people can not deal with psychological stress for a long time.

do not do housework

earlier studies have shown that people who are exposed to kitchen fume for a long time are prone to lung problems. Pregnant women who frequently use household detergents have a higher risk of asthma.

drink carbonated drinks

the ingredients of coke make people love and hate. Research results show that drinking two cans of carbonated drinks a day can help prevent Alzheimer’s disease and improve memory by 20%. But maintaining such a habit for a long time may also lead to dental caries and obesity.

acute children

a study shows that most people with acute children are thin people. This is because acute people rush to take action when they encounter trouble, and naturally consume more calories.

do not pay attention to hygiene

the study found that dust mites that can cause asthma can not survive in students’ bedrooms that have not been cleaned.

gambling

a survey of the elderly over the age of 65 shows that the elderly who gamble once a week are healthier than those who never gamble.